CMF Buds

Manufacturer: CMF

The CMF Buds are a pair of true wireless in-ear earbuds designed for everyday untethered listening. They carry an IP54 ingress protection rating, making them resistant to sweat and light moisture, and each earbud weighs just 9.14 g, keeping the overall fit light during extended wear. The set ships with a travel bag included and supports fast pairing for a straightforward setup experience.

On the technical side, the CMF Buds use a 12.4 mm driver unit covering a frequency range of 20 Hz to 20,000 Hz, and they include active noise cancellation alongside passive noise isolation. Battery life reaches 8 hours per charge without ANC or 5.6 hours with it active, while the charging case adds a further 27.5 hours of total playback capacity from its 460 mAh cell. Connectivity runs over Bluetooth 5.3 with AAC codec support, a maximum wireless range of 10 m, and multipoint pairing across two devices simultaneously. Four microphones handle call audio and noise-canceling mic functionality, and the earbuds also support in-ear detection, ambient sound mode, and fast charging via USB Type-C.

Pros

Supports multipoint connection across two devices at the same time, allowing seamless switching between paired sources
Includes both active noise cancellation and passive noise reduction for layered isolation from ambient sound
The charging case holds 460 mAh and extends total playback to 27.5 hours before needing a wall outlet
Four microphones combined with noise-canceling mic support make for clearer voice capture during calls
Ambient sound mode, in-ear detection, find device feature, and a mute function are all present as practical daily-use tools
Fast charging is supported and the case uses USB Type-C for wired power input

Cons

No wireless charging support for the case, requiring a cable every time the case needs to be powered
Battery life drops noticeably from 8 hours to 5.6 hours when ANC is switched on
No support for advanced audio codecs such as LDAC, aptX, or any of its variants, limiting high-quality audio transmission options
Bluetooth range is capped at 10 m, which may be restrictive in larger open spaces
Wingtips are not included, which may affect fit stability during more active use

Who is this for?

The CMF Buds are well suited to everyday commuters and office users who want reliable noise management throughout the day, thanks to the combination of active noise cancellation and passive noise isolation. The IP54 sweat resistance and lightweight 9.14 g build make them a practical choice for light workouts and on-the-go use, while the 27.5-hour total battery capacity with the case means users can go several days between charges. Those who frequently switch between a phone and a laptop will also find the two-device multipoint connection a genuinely useful convenience.

Who is this NOT for?

Users who prioritize high-fidelity audio streaming will find the CMF Buds limiting, as they lack support for advanced codecs such as LDAC, aptX, and their variants, which are commonly expected by audiophiles or those using lossless audio sources. The 10 m Bluetooth range and the absence of wingtips may also make these earbuds a poor fit for athletes or gym users who need a more secure fit and greater wireless freedom during high-intensity activity. Additionally, those who prefer wireless case charging as a standard convenience will need to rely on a cable each time the case runs low.

Design:

Fit	In-ear
Ingress Protection (IP) rating	IP54
water resistance	Sweat resistant
weight	9.14 g
has no wires or cables	✓
are neckband earbuds	✕
wingtips included	✕
has RGB lighting	✕
has stereo speakers	✓
has UV light	✕
Has a display	✕

The CMF Buds use an in-ear fit and are fully wireless, with no neckband, cables, or wingtips included. Each earbud weighs 9.14 g and carries an IP54 ingress protection rating, offering resistance to sweat without support for full water submersion. The earbuds feature stereo speakers but omit RGB lighting, a UV light, and any built-in display, keeping the physical design straightforward and uncluttered.

Sound quality:

has active noise cancellation (ANC)	✓
has passive noise reduction	✓
driver unit size	12.4 mm
lowest frequency	20 Hz
highest frequency	20000 Hz
supports spatial audio	✕
has Dolby Atmos	✕
has Dirac Virtuo	✕
has a neodymium magnet	✕

The CMF Buds are equipped with a 12.4 mm driver unit and cover a frequency range of 20 Hz to 20,000 Hz. They support both active noise cancellation (ANC) and passive noise reduction, giving users two layers of isolation from ambient sound. Spatial audio, Dolby Atmos, and Dirac Virtuo are not supported, and the drivers do not use a neodymium magnet.

Power:

Battery life	8 hours
Battery life of charging case	27.5 hours
Battery life (ANC)	5.6 hours
charge time	1.5 hours
battery power	45 mAh
battery power (charging case)	460mAh
has wireless charging	✕
Has a solar power battery	✕
has a battery level indicator	✓
has a rechargeable battery	✓

The CMF Buds carry a 45 mAh rechargeable battery per earbud, delivering 8 hours of playback under normal conditions or 5.6 hours with ANC enabled, and the 460 mAh charging case extends the total available listening time to 27.5 hours. A full charge takes 1.5 hours, and a battery level indicator is included to keep track of remaining power. Wireless charging and solar battery functionality are not supported.

Connectivity:

has fast pairing	✓
Has USB Type-C	✓
Bluetooth version	5.3
has LDAC	✕
has LDHC	✕
has Bluetooth LE Audio	✕
has aptX Adaptive	✕
has aptX Low Latency	✕
has aptX HD	✕
has aptX	✕
has aptX Lossless	✕
has aptX Voice	✕
has Auracast	✕
maximum Bluetooth range	10 m
supports Bluetooth pairing using NFC	✕
Can be used wirelessly	✓
has AAC	✓

The CMF Buds connect wirelessly via Bluetooth 5.3 with a maximum range of 10 m, and support fast pairing as well as the AAC codec for audio transmission. Charging is handled through USB Type-C. On the codec side, LDAC, LDHC, aptX, aptX HD, aptX Adaptive, aptX Low Latency, aptX Lossless, and aptX Voice are all absent, and the earbuds do not support Bluetooth LE Audio, Auracast, or NFC pairing.

Features:

has ambient sound mode	✓
has in/on-ear detection	✓
has find device feature	✓
Supports fast charging	✓
multipoint count	2
can read notifications	✕
has a mute function	✓
can be used as a headset	✓
control panel placed on a device	✓
Has voice prompts	✓
travel bag is included	✓
Has an in-line control panel	✕
Has a temperature sensor	✕
Has a built-in camera remote control function	✕

The CMF Buds include a practical set of features for daily use, among them ambient sound mode, in-ear detection for automatic music pausing, a find device function, and a mute option. They support multipoint connection across two devices simultaneously and can be used as a headset, with device-based touch controls and voice prompts rounding out the interaction options. Fast charging is supported, and a travel bag is included in the box. Notification reading, an in-line control panel, a body temperature sensor, and a camera remote shutter function are not available.

Microphone:

number of microphones	4
has a noise-canceling microphone	✓

The CMF Buds feature a four-microphone array paired with a noise-canceling microphone, allowing the earbuds to handle voice calls and voice input while working to reduce unwanted background noise during capture.

Final Verdict

The CMF Buds present a well-rounded set of specifications for users seeking a capable daily wireless earbud with genuine noise management. The combination of active noise cancellation, passive isolation, and a 27.5-hour total battery system gives the earbuds solid practical endurance, while features like two-device multipoint pairing, in-ear detection, and IP54 sweat resistance add meaningful usability for commuters and light activity. Where the CMF Buds fall short is in serving users who demand high-resolution codec support or a more sport-secure fit, areas where the specifications simply do not reach. Taken on the whole, the CMF Buds are a dependable everyday option for those who prioritize noise isolation and all-day battery reliability over audiophile-grade audio transmission.