#87

CMF BY NOTHING

CMF BY NOTHING CMF Buds 2a Wireless Earbuds

Name: CMF Buds 2a Wireless Earbuds
Brand: CMF BY NOTHING
SKU: B0F2M65H3S
Price: 1999 JPY
Availability: InStock
Rating: 3.475 (1 reviews)

Rating

Model: CMF buds 2a

$1,999(incl. tax)Amazon price as of 2025-09-02

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Product Overview

The CMF Buds 2a Wireless Earbuds feature active noise cancelling up to 42dB, a 12.4mm dynamic driver for enhanced bass, and four microphones for clear calls. Designed for comfort and durability with an IP54 rating, they offer up to 35.5 hours of battery life with the charging case. The Nothing X app allows for customization of EQ profiles, ANC levels, and gaming low-lag mode. They also support dual device connectivity and fast pairing.

Product Specifications

Driver Size

12.4mm

Frequency Response

2900Hz - 20HzHz

Impedance

32Ω

Bluetooth Version

5.4

Bluetooth Codec

Battery Life

8hours

Charging Time

89minutes

Water Resistance

Waterproof

Microphone

Yes, Active Noise Cancellation

Weight

-g

Size & Weight

Weight

91 Grams

Hight

2.15

Width

2.15

Depth

0.91

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

The CMF Buds 2a feature 42dB hybrid ANC, effectively reducing ambient noise for an immersive listening experience. This function is ideal for commuting, working in noisy environments, or simply focusing on your music without distractions, enhancing overall sound clarity.

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

Transparency mode allows external sounds to pass through, enabling awareness of surroundings without removing the earbuds. This is useful for conversations, traffic awareness, or listening to announcements, ensuring safety and convenience in various situations where environmental awareness is important.

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

Multipoint pairing enables connection to two devices simultaneously, allowing seamless switching between them. This is ideal for users who frequently switch between phone calls and music from different devices, improving productivity and convenience without the need to constantly re-pair.

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

Customizable EQ function allows users to adjust the sound profile according to their preferences via the Nothing X app. This enhances the listening experience for different music genres or personal hearing profiles, providing greater control over audio output and ensuring optimal enjoyment.

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

The Find My Earbuds function uses the Nothing X app to locate misplaced earbuds by playing a sound. This reduces the stress of losing earbuds and facilitates their recovery, saving time and money by preventing replacement costs, making it a practical and convenient feature.

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

This function is not available in the CMF Buds 2a.

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

This function is not available in the CMF Buds 2a.

SHOPSTAFF Rating Score

#87

Ranked #87 out of 100 products in Category

3.5

Overall Rating

The CMF Buds 2a offer good value for the low price, with decent ANC and sound quality. However, customization options are limited, and long-term comfort may be an issue. Durability is a concern due to the plastic build. Suitable for casual listening and commuting.

Sound Quality (Frequency Response and Clarity)

3.2

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 CMF Buds 2a deliver enhanced bass through its 12.4mm dynamic drivers, but the frequency response is limited. Clarity is decent for the price, making it suitable for casual listening but not for critical audio analysis. Good for enjoying music with a focus on bass.

Comfort and Fit (Ergonomic Design)

3.5

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 CMF Buds 2a feature an ergonomic design and come with multiple ear tip sizes to ensure a comfortable fit. However, some users may experience discomfort during long listening sessions. The lightweight design helps in maintaining a secure fit during moderate activities.

Battery Life and Charging Case

4.1

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 8 hours of playtime on a single charge and 35.5 hours with the charging case, the CMF Buds 2a offer good battery life. The quick-charge feature provides 2 hours of playtime with just 5 minutes of charging, adding convenience for users on the go.

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 5.4 ensures a stable and reliable connection with compatible devices. The fast pair feature makes pairing easy, and dual device connectivity allows seamless switching between devices, enhancing user convenience and productivity.

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 CMF Buds 2a come with a waterproof rating, protecting them from sweat and splashes. This makes them suitable for workouts and outdoor activities, but prolonged exposure to water should be avoided to ensure longevity.

Microphone Quality (for Calls)

3.5

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

Equipped with quad HD ENC mics and clear voice tech, the CMF Buds 2a offer decent call quality. Wind noise reduction 2.0 helps in reducing background noise, ensuring clear communication even in noisy environments. Suitable for phone calls and video conferencing.

Manufacturer Reliability and Warranty

2.0

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

CMF BY NOTHING is an emerging brand, so long-term reliability and warranty support are still being established. While the product offers good features for the price, potential buyers should consider the brand's limited track record.

Cost Performance

4.5

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

The CMF Buds 2a offer excellent cost performance, providing a range of features like ANC, good battery life, and decent sound quality at a very affordable price. They are a great option for budget-conscious consumers looking for value.

Brand & Manufacturer Details

CMF BY NOTHING

CMF, a sub-brand of Nothing, crafts intuitive, flawlessly connected products that improve our lives without getting in the way.

Considerations

Avoid prolonged exposure to water despite the waterproof rating
Handle with care due to the plastic construction
Limited customization options in the app

Recommended For

Budget-conscious consumers
Casual listeners
Commuters

Not Recommended For

Audiophiles seeking high-fidelity sound
Users requiring advanced customization options
Those needing maximum durability

Suitable For

Commuting on public transport
Listening to music at home
Working in a moderately noisy environment

Not Suitable For

High-intensity workouts
Swimming
Construction sites
Situations requiring full environmental awareness

Frequently Asked Questions (FAQ)

Q.How effective is the noise cancellation?

A.The CMF Buds 2a Wireless Earbuds feature a 42dB hybrid Active Noise Cancellation (ANC) that effectively blocks out background noise, suitable for commuting, working, or relaxing. Staff confirmation indicates it compares well to higher-end earbuds at a similar price point.

Q.How effective is the noise cancellation?

Q.What is the sound quality like?

A.These earbuds have 12.4mm Bio-fiber drivers that provide a warm soundstage, rich mids, and crisp bass. Some staff members noted the sound quality is good with solid bass and overall volume, and excellent tone control, especially for the price.

Q.What is the sound quality like?

Q.How is the call quality on these earbuds?

A.The earbuds use Quad HD ENC mics with "Clear Voice Tech" and "Wind Noise Reduction 2.0" for clear communication. Staff confirmation confirms the mic setup ensures crisp call quality even in noisy environments.

Q.How is the call quality on these earbuds?

Q.What is the battery life like, and how quickly do they charge?

A.The earbuds offer up to 8 hours of playtime on a single charge, with a total of 35.5 hours when combined with the charging case. A quick 5-minute charge provides up to 2 hours of playtime.

Q.What is the battery life like, and how quickly do they charge?

A.The earbuds offer up to 8 hours of playtime on a single charge, with a total of 35.5 hours when combined with the charging case. A quick 5-minute charge provides up to 2 hours of playtime.

Q.Are these earbuds comfortable for extended use?

A.The CMF Buds 2a come with multiple ear tips to ensure comfort for various ear shapes. While many find them comfortable for long wear, some staff members noted potential long-term comfort issues after sustained use.

Q.Are these earbuds comfortable for extended use?

Q.How easy is it to connect these earbuds to my devices?

A.The CMF Buds 2a feature Bluetooth 5.4, providing a secure connection and fast pairing with devices. They also support Google Fast Pair and Microsoft Quick Switch for added convenience. Several staff members confirmed that pairing was painless.

Q.How easy is it to connect these earbuds to my devices?

Q.Can I customize the settings of these earbuds?

A.Yes, using the Nothing X app, you can customize EQ profiles, adjust ANC levels, manage dual device connectivity, find earbuds, and enable a gaming low-lag mode.

Q.Can I customize the settings of these earbuds?

A.Yes, using the Nothing X app, you can customize EQ profiles, adjust ANC levels, manage dual device connectivity, find earbuds, and enable a gaming low-lag mode.

Q.Are these earbuds durable enough for workouts and outdoor activities?

A.Yes, the earbuds are IP54-rated, making them water-resistant and suitable for workouts and outdoor activities.

Q.Are these earbuds durable enough for workouts and outdoor activities?

A.Yes, the earbuds are IP54-rated, making them water-resistant and suitable for workouts and outdoor activities.

Q.How is the app that comes with the earbuds?

A.Staff confirmation indicates the Nothing app is straightforward and user-friendly, offering necessary customization options without unnecessary features.

Q.How is the app that comes with the earbuds?

A.Staff confirmation indicates the Nothing app is straightforward and user-friendly, offering necessary customization options without unnecessary features.

Q.What are the pros and cons of these earbuds?

A.Pros include good audio quality, effective noise cancellation, easy pairing, and long battery life. Cons include limited customization options in the control app and potential long-term comfort issues for some users.

Q.What are the pros and cons of these earbuds?

SHOPSTAFF Rating Ranking

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Sony

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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View Details Buy on Amazon Report Content Error

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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CMF BY NOTHING CMF Buds 2a Wireless Earbuds

Product Overview

Product Specifications

Size & Weight

Features

SHOPSTAFF Rating Score

Brand & Manufacturer Details

Considerations

Recommended For

Not Recommended For

Suitable For

Not Suitable For