Wireless Earbuds Bluetooth Headphones Sport SP9i-Black

#85

kurdene

kurdene Wireless Earbuds Bluetooth Headphones Sport SP9i-Black

Name: Wireless Earbuds Bluetooth Headphones Sport SP9i-Black
Brand: kurdene
SKU: B0DRBPMYJQ
Price: 13 JPY
Availability: InStock
Rating: 3.5 (1 reviews)

Rating

Model: SP9i-Black

$13(incl. tax)Amazon price as of 2025-09-02

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Product Overview

The kurdene Wireless Earbuds Bluetooth Headphones Sport SP9i-Black are designed for users seeking a comfortable and long-lasting audio experience during workouts and everyday activities. Featuring an over-ear design with soft silicone ear hooks, these earbuds provide a secure and pressure-free fit. Equipped with 16.1mm vibrating diaphragm drivers, they deliver powerful bass, crisp mids, and clear treble. Bluetooth 5.4 ensures a stable connection, and the intuitive touch controls allow for easy management of music and calls. With up to 60 hours of total playtime, these earbuds are ideal for extended use.

Product Specifications

Driver Size

16.1mm

Frequency Range

20 - 20,000Hz

Impedance

32Ω

Bluetooth Version

5.3

Bluetooth Codec

Battery Life

6hours

Charging Time

60minutes

Water Resistance

Water Resistant

Microphone

Yes

Weight

-g

Size & Weight

Weight

3.2 Ounces

Hight

4.45

Width

3.31

Depth

1.3

Features

Active Noise Cancellation (ANC) Function

Feature Description

Reduces ambient noise using microphones and inverse sound waves. Allows for immersive listening in noisy environments like public transportation or busy streets. Improves focus and reduces listening fatigue.

About This Product

These earbuds do not feature Active Noise Cancellation (ANC). This means they won't actively reduce ambient noise, so they may not be the best choice for very noisy environments like public transportation or busy streets. Consider passive noise isolation from the snug fit instead.

Transparency Mode Function

Feature Description

Allows external sounds to pass through, enabling awareness of surroundings without removing earbuds. Useful for conversations, traffic awareness, or announcements. Enhances safety and convenience in various situations.

About This Product

These earbuds do not have a Transparency Mode Function. This means you cannot easily hear your surroundings without removing the earbuds. This could be a drawback if you need to be aware of traffic, conversations, or announcements while listening to audio.

Multipoint Pairing Function

Feature Description

Enables connection to two devices simultaneously, allowing seamless switching between them. Ideal for users who frequently switch between phone calls and music from different devices. Improves productivity and convenience.

About This Product

These earbuds do not support Multipoint Pairing Function. This means you can only connect to one device at a time and cannot seamlessly switch between multiple devices like a phone and a laptop. This may reduce convenience for users who frequently switch between devices.

Customizable EQ Function

Feature Description

Allows users to adjust the sound profile according to their preferences. Enhances the listening experience for different music genres or personal hearing profiles. Provides greater control over audio output.

About This Product

These earbuds do not offer a Customizable EQ Function. This means you cannot adjust the sound profile to your preferences. The sound output is fixed, which may not cater to individual hearing profiles or different music genres. Consider using third-party EQ apps if needed.

Find My Earbuds Function

Feature Description

Uses a mobile app to locate misplaced earbuds by playing a sound or displaying their last known location on a map. Reduces the stress of losing earbuds and facilitates their recovery. Saves time and money by preventing replacement costs.

About This Product

These earbuds do not have a Find My Earbuds Function. This means there is no built-in way to locate misplaced earbuds using a mobile app. Take extra care not to lose them, as there is no easy way to track their last known location or play a sound to find them.

In-Ear Detection Function

Feature Description

Automatically pauses or resumes audio playback when earbuds are removed from or inserted into the ears. Provides a seamless and intuitive user experience. Conserves battery life and ensures no missed audio.

About This Product

These earbuds do not feature In-Ear Detection Function. This means audio will not automatically pause when you remove the earbuds from your ears. You'll need to manually pause the audio to avoid missing content or wasting battery life. This function provides a seamless user experience.

Wireless Charging Case Function

Feature Description

The charging case can be charged wirelessly using a Qi-compatible charging pad. Offers a convenient and cable-free charging option. Simplifies charging and reduces cable clutter.

About This Product

These earbuds do not support Wireless Charging Case Function. This means you can only charge the case using a cable and cannot use a Qi-compatible charging pad for cable-free charging. This may be less convenient for users who prefer wireless charging options to reduce cable clutter.

SHOPSTAFF Rating Score

#85

Ranked #85 out of 100 products in Category

3.5

Overall Rating

These earbuds offer a long battery life and comfortable fit at a very affordable price. However, the sound quality and build materials are basic, reflecting the budget-friendly nature of the product. Durability may be a concern with long-term use. Best suited for casual listening and workouts where high-end audio isn't a priority.

Sound Quality (Frequency Response and Clarity)

3.0

Rating Criteria Explanation

The primary function of earbuds is to deliver sound, so sound quality is paramount. Consider the frequency response range – a wider range (e.g., 20Hz-20kHz, which is generally the range of human hearing) generally indicates a more complete sound reproduction, encompassing deep bass to crisp highs. Clarity refers to how distinct and well-defined each element of the audio is. A good pair of earbuds should allow you to discern individual instruments in music and clearly understand speech in podcasts or calls. Specifications like driver size (e.g., 10mm in the Philips TAT1219) can influence sound quality, with larger drivers often producing more powerful bass. However, driver size alone isn't the only factor; the quality of the driver material and tuning also plays a significant role. Read reviews and look for frequency response graphs to get an idea of the sound profile before purchasing.

Rating Comments

The 16.1mm drivers deliver decent sound with a focus on bass, but clarity in the mids and highs may be lacking. The frequency response covers the standard range, but the overall sound profile is geared towards casual listening rather than critical audio analysis. Expect adequate but not exceptional sound quality.

Comfort and Fit (Ergonomic Design)

4.0

Rating Criteria Explanation

Earbuds sit directly in your ear canal, so comfort is crucial, especially for extended listening sessions. Look for earbuds with an ergonomic design, often mentioned in product descriptions (e.g., 'Ergonomic Design for Comfort' in the Philips TAT1219). This typically means the earbuds are shaped to naturally fit the contours of the ear. Also, consider the available ear tip sizes. Most earbuds come with multiple ear tip options (small, medium, large) to ensure a snug and secure fit. A proper fit not only enhances comfort but also improves sound isolation, blocking out external noise and allowing you to hear the audio more clearly at lower volumes, protecting your hearing. Consider the weight of the earbuds as well; lighter earbuds are generally more comfortable for longer periods.

Rating Comments

The over-ear design with soft silicone ear hooks provides a secure and comfortable fit, making these earbuds suitable for extended wear and physical activities. The snug fit ensures they stay in place during workouts, and the lightweight design minimizes pressure on the ears. This design is especially beneficial for users who dislike in-ear buds.

Battery Life and Charging Case

4.5

Rating Criteria Explanation

Battery life determines how long you can use the earbuds before needing to recharge them. Consider your typical usage scenarios. If you plan to use your earbuds for long commutes or workouts, a longer battery life is essential. Pay attention to both the battery life of the earbuds themselves and the battery capacity of the charging case. The charging case provides additional charge cycles, significantly extending the overall listening time (e.g., '18 H Battery Life' likely refers to the combined battery life with the charging case). Also, check the charging time – how long does it take to fully charge the earbuds and the case? Some earbuds also support fast charging, providing a quick burst of listening time with a short charging period. USB-C charging is generally preferred over older Micro-USB due to its faster charging speeds and reversible connector.

Rating Comments

With 6 hours of playtime on a single charge and an additional 48 hours from the charging case, these earbuds offer impressive battery life for their price range. The fast charging case allows for quick power-ups, ensuring minimal downtime. This makes them ideal for long workouts, travel, and extended daily use.

Bluetooth Version and Connectivity

4.0

Rating Criteria Explanation

The Bluetooth version determines the stability and range of the wireless connection. Newer Bluetooth versions (e.g., Bluetooth 5.3 in the Philips TAT1219) generally offer improved range, faster data transfer speeds, and more stable connections compared to older versions. This translates to fewer dropouts and a more reliable connection with your smartphone or other devices. Also, consider whether the earbuds support multipoint pairing, which allows you to connect to two devices simultaneously (e.g., a phone and a laptop). This is convenient if you frequently switch between devices. Check the supported Bluetooth codecs as well; codecs like aptX or AAC can offer higher-quality audio transmission, especially with compatible devices.

Rating Comments

Bluetooth 5.3 provides a stable and reliable connection with a range of up to 33 feet. Expect minimal dropouts and seamless audio-video sync. While it lacks multipoint pairing, the overall connectivity performance is solid for everyday use, ensuring a hassle-free experience with compatible devices.

Water Resistance (IPX Rating)

3.0

Rating Criteria Explanation

Water resistance, indicated by an IPX rating (e.g., IPX4 in the Philips TAT1219), protects the earbuds from sweat and light splashes of water. This is particularly important if you plan to use your earbuds during workouts or in humid environments. An IPX4 rating means the earbuds are protected from splashing water from any direction. Higher IPX ratings (e.g., IPX7) offer greater protection, such as submersion in water for a short period. Consider your typical activities and choose an IPX rating that provides adequate protection. Keep in mind that water resistance is not the same as waterproof; even with a high IPX rating, it's best to avoid prolonged exposure to water.

Rating Comments

The water-resistant design protects against sweat and light splashes, making these earbuds suitable for workouts and outdoor activities. However, they are not waterproof, so avoid submersion or heavy exposure to water. This level of protection is adequate for most fitness routines but not for swimming or water sports.

Microphone Quality (for Calls)

3.0

Rating Criteria Explanation

If you plan to use your earbuds for phone calls or video conferencing, microphone quality is essential. Clear and crisp voice transmission ensures that others can hear you clearly, even in noisy environments. Some earbuds feature noise-canceling microphones, which actively reduce background noise, further improving call quality (e.g., 'Clear Call Quality with AI Mic' in the Philips TAT1219 suggests AI-powered noise reduction). Read reviews or watch videos that demonstrate the microphone performance of the earbuds. Features like sidetone (allowing you to hear your own voice in the earbuds) can also enhance the call experience.

Rating Comments

The built-in microphones provide clear call quality, ensuring your voice is heard clearly in most environments. However, they lack advanced noise-canceling features, so call quality may be affected in noisy settings. Expect decent performance for phone calls and video conferencing in quiet to moderately noisy conditions.

Manufacturer Reliability and Warranty

1.5

Rating Criteria Explanation

The reputation and reliability of the manufacturer are important factors to consider. Established brands often have better quality control and provide more reliable products. A warranty protects you against manufacturing defects and malfunctions. Check the warranty period and what it covers before purchasing. A longer warranty period generally indicates greater confidence in the product's durability. Also, research the manufacturer's customer support – are they responsive and helpful in resolving issues? Reading reviews and checking online forums can provide insights into the experiences of other customers with the brand and product.

Rating Comments

Kurdene is a relatively new brand, so long-term reliability and customer support are uncertain. While the product has positive reviews, the lack of established reputation warrants caution. Consider the affordable price point when evaluating potential risks associated with a lesser-known manufacturer.

Cost Performance

5.0

Rating Criteria Explanation

Ultimately, you need to consider the overall value proposition of the earbuds. This involves balancing all the features and performance characteristics against the price. Are you getting good value for your money? Don't necessarily assume that the most expensive earbuds are always the best. Sometimes, more affordable options offer a better balance of features and performance for your specific needs. Consider what features are most important to you and prioritize those when comparing prices. Read reviews and compare specifications carefully to determine which earbuds offer the best bang for your buck.

Rating Comments

At a price of $13.99, these earbuds offer exceptional value for money. The combination of long battery life, comfortable fit, and decent sound quality makes them a standout choice for budget-conscious consumers. While they lack premium features, the overall performance justifies the incredibly low price point.

Brand & Manufacturer Details

kurdene

Hear The Turest Sound Kurdene New Products

Considerations

Avoid exposure to excessive moisture despite water resistance
Handle with care due to plastic construction
Regularly clean ear hooks for hygiene

Recommended For

Budget-conscious consumers
Fitness enthusiasts
Users needing long battery life

Not Recommended For

Audiophiles
Users requiring advanced features like ANC
Those prioritizing premium build quality

Suitable For

Gym workouts
Running and outdoor activities
Casual listening at home

Not Suitable For

Professional audio work
Noisy environments requiring ANC
Situations needing high fidelity sound

Frequently Asked Questions (FAQ)

Q.Are these earbuds suitable for sports and workouts?

A.Yes, these earbuds feature an over-ear design and soft silicone ear hooks, providing a snug and stable fit perfect for workouts, running, and other activities.

Q.Are these earbuds suitable for sports and workouts?

A.Yes, these earbuds feature an over-ear design and soft silicone ear hooks, providing a snug and stable fit perfect for workouts, running, and other activities.

Q.How long does the battery last on these earbuds?

A.The earbuds offer up to 12 hours of continuous playtime on a single charge, and the charging case provides an additional 48 hours, totaling 60 hours of playtime.

Q.How long does the battery last on these earbuds?

A.The earbuds offer up to 12 hours of continuous playtime on a single charge, and the charging case provides an additional 48 hours, totaling 60 hours of playtime.

Q.Is the sound quality good for music and calls?

A.Yes, these earbuds are equipped with 16.1mm vibrating diaphragm drivers for powerful bass, crisp mids, and clear treble. They also have built-in microphones that isolate your voice for clear call quality. Staff confirmation indicates satisfaction with both call and music quality, highlighting rich sounds and noise cancellation.

Q.Is the sound quality good for music and calls?

Q.Are these earbuds comfortable to wear for extended periods?

A.Yes, the over-ear design rests gently and securely on top of your ears, ensuring a natural, pressure-free listening experience. The soft silicone ear hooks add to the comfort and stability. Staff confirmation notes they are comfortable and snug.

Q.Are these earbuds comfortable to wear for extended periods?

Q.Do these earbuds have touch controls?

A.Yes, they feature intuitive smart touch controls, with separate multifunction and volume buttons on each earbud, allowing you to easily control your music, manage calls, and activate voice assistants without needing your phone.

Q.Do these earbuds have touch controls?

Q.How stable is the Bluetooth connection?

A.These earbuds use Bluetooth 5.4 technology, providing a faster data transfer and an ultra-stable connection with a range of up to 33 feet, ensuring seamless audio and video sync.

Q.How stable is the Bluetooth connection?

A.These earbuds use Bluetooth 5.4 technology, providing a faster data transfer and an ultra-stable connection with a range of up to 33 feet, ensuring seamless audio and video sync.

Q.Are these earbuds suitable for someone with small ears?

A.According to staff confirmation, the design of these earbuds fits well, even for users with small ears, lying flat and comfortably in the ear canal.

Q.Are these earbuds suitable for someone with small ears?

A.According to staff confirmation, the design of these earbuds fits well, even for users with small ears, lying flat and comfortably in the ear canal.

Q.Are these earbuds water-resistant?

A.Yes, these earbuds are water-resistant, but it's important not to confuse this with being waterproof. Staff confirmation also highlights their durability, noting they've survived accidental drops.

Q.Are these earbuds water-resistant?

A.Yes, these earbuds are water-resistant, but it's important not to confuse this with being waterproof. Staff confirmation also highlights their durability, noting they've survived accidental drops.

Q.What devices are compatible with these earbuds?

A.These earbuds are compatible with computers, notebooks, watches, Android/iOS phones, TVs, cellphones, desktops, gaming consoles, laptops, tablets, telephones, and various other Bluetooth-enabled devices.

Q.What devices are compatible with these earbuds?

Q.Are these earbuds suitable as a gift for a child?

A.Yes, staff confirmation mentions they were purchased as a gift for a 9-year-old who doesn't like things in her ears, and she is happy with the fit and sound quality, finding them light and comfortable.

Q.Are these earbuds suitable as a gift for a child?

SHOPSTAFF Rating Ranking

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WF-1000XM5

$214(incl. tax)Amazon price as of 2025-09-02

The best truly wireless Bluetooth noise canceling earbuds with Alexa Built-in, offering great sound and comfort.

Driver Size	8.4 mm	Frequency Range	20 Hz to 40 k Hz
Impedance	16 Ω	Bluetooth Version	5.3
Bluetooth Codec	AAC	Battery Life	8 hours
Charging Time	90 minutes	Water Resistance	Water Resistant
Microphone	Microphone Included	Weight	0.4 Ounces g

Active Noise Cancellation (ANC) FunctionTransparency Mode FunctionMultipoint Pairing FunctionCustomizable EQ FunctionFind My Earbuds FunctionIn-Ear Detection FunctionWireless Charging Case Function

4.6Overall Rating

4.8Sound Quality (Frequency Response and Clarity)

4.7Comfort and Fit (Ergonomic Design)

4.6Battery Life and Charging Case

4.9Bluetooth Version and Connectivity

4.0Water Resistance (IPX Rating)

4.7Microphone Quality (for Calls)

4.8Manufacturer Reliability and Warranty

4.0Cost Performance

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SAMSUNG

Galaxy Buds 3 Pro

$123(incl. tax)Amazon price as of 2025-09-02

AI-powered true wireless earbuds with noise cancelling, sound optimization, and real-time interpreter.

Driver Size	- mm	Frequency Range	20 Hz - 20,000 Hz
Impedance	25.75 Ω	Bluetooth Version	5.4
Bluetooth Codec	SSC HiFi and UHQ	Battery Life	8 hours
Charging Time	90 minutes	Water Resistance	IPX7
Microphone	Yes, Noise Cancelling	Weight	- g

Active Noise Cancellation (ANC) FunctionTransparency Mode FunctionMultipoint Pairing FunctionCustomizable EQ FunctionFind My Earbuds FunctionIn-Ear Detection FunctionWireless Charging Case Function

4.5Overall Rating

4.5Sound Quality (Frequency Response and Clarity)

4.7Comfort and Fit (Ergonomic Design)

4.6Battery Life and Charging Case

4.8Bluetooth Version and Connectivity

4.5Water Resistance (IPX Rating)

4.6Microphone Quality (for Calls)

4.5Manufacturer Reliability and Warranty

4.0Cost Performance

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QuietComfort Ultra Bluetooth Earbuds 882826-0020

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Bose

QuietComfort Ultra Bluetooth Earbuds 882826-0020

$228(incl. tax)Amazon price as of 2025-09-02

Wireless earbuds with spatial audio, world-class active noise cancellation, deep bass, and up to 6 hours of playtime.

Driver Size	- mm	Frequency Response	20 Hz - 20,000 Hz
Impedance	- Ω	Bluetooth Version	5.3
Bluetooth Codec	-	Battery Life	6 Hours hours
Charging Time	120 minutes	Water Resistance	Water Resistant
Microphone	Yes, Noise Cancelling	Weight	20 g

Active Noise Cancellation (ANC) FunctionTransparency Mode FunctionMultipoint Pairing FunctionCustomizable EQ FunctionFind My Earbuds FunctionIn-Ear Detection FunctionWireless Charging Case Function

4.5Overall Rating

4.5Sound Quality (Frequency Response and Clarity)

4.8Comfort and Fit (Ergonomic Design)

4.3Battery Life and Charging Case

4.9Bluetooth Version and Connectivity

4.0Water Resistance (IPX Rating)

4.6Microphone Quality (for Calls)

4.7Manufacturer Reliability and Warranty

4.0Cost Performance

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Samsung

Galaxy Buds 3 Pro SM-R630NZAEXAR

$179(incl. tax)Amazon price as of 2025-09-02

AI-powered true wireless earbuds with noise cancelling, sound optimization, and redesigned comfort fit.

Driver Size	- mm	Frequency Response	20 Hz - 96 K Hz
Impedance	16 Ω	Bluetooth Version	5.4
Bluetooth Codec	-	Battery Life	6 hours
Charging Time	135 minutes	Water Resistance	Water Resistant
Microphone	Yes, Active Noise Cancellation	Weight	0.19 ounces g

Active Noise Cancellation (ANC) FunctionTransparency Mode FunctionMultipoint Pairing FunctionCustomizable EQ FunctionFind My Earbuds FunctionIn-Ear Detection FunctionWireless Charging Case Function

4.4Overall Rating

4.5Sound Quality (Frequency Response and Clarity)

4.7Comfort and Fit (Ergonomic Design)

4.3Battery Life and Charging Case

4.8Bluetooth Version and Connectivity

4.0Water Resistance (IPX Rating)

4.5Microphone Quality (for Calls)

4.5Manufacturer Reliability and Warranty

4.0Cost Performance

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JGUG

T12 Wireless Earbuds

$169(incl. tax)Amazon price as of 2025-09-02

Hi-Fi Deep Bass Stereo Wireless Earbuds with LED Charging Case, 40 Hours Playtime, IP7 Waterproof, Lightweight.

Driver Size	13.2 mm	Frequency Response	20 to 20,000 Hz
Impedance	0.4 Ω	Bluetooth Version	5.3
Bluetooth Codec	-	Battery Life	8 hours
Charging Time	90 minutes	Water Resistance	Waterproof
Microphone	Yes	Weight	4.0 g

Active Noise Cancellation (ANC) FunctionTransparency Mode FunctionMultipoint Pairing FunctionCustomizable EQ FunctionFind My Earbuds FunctionIn-Ear Detection FunctionWireless Charging Case Function

4.2Overall Rating

4.0Sound Quality (Frequency Response and Clarity)

4.5Comfort and Fit (Ergonomic Design)

4.5Battery Life and Charging Case

4.8Bluetooth Version and Connectivity

4.5Water Resistance (IPX Rating)

4.0Microphone Quality (for Calls)

3.5Manufacturer Reliability and Warranty

4.0Cost Performance

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kurdene Wireless Earbuds Bluetooth Headphones Sport SP9i-Black

Product Overview

Product Specifications

Size & Weight

Features

SHOPSTAFF Rating Score

Brand & Manufacturer Details

Considerations

Recommended For

Not Recommended For

Suitable For

Not Suitable For