Product Feature

CMF Buds 2 series feature Ultra Bass Technology. The algorithm dynamically detects low-frequency signals in music, enhancing the perception of low frequencies in real time to deliver a more powerful and dynamic bass experience. Users can also dynamically adjust the low-frequency intensity based on their listening preferences in the Nothing X app, defining their own high-definition bass experience. Additional options available in the Nothing X app.

ENC stands for Environmental Noise Cancellation. It's specially tuned to remove unwanted background noise when you use the microphone for calls. ENC ensures others won't hear your background noise when you're speaking.

No, CMF Buds 2a doesn't support this feature.

AAC, SBC

Yes, Microsoft Swift Pair is supported.

Yes, Google Fast Pair is supported.

Android 6.0 and above
iOS 13 and above

CMF Buds 2a are designed to provide a high-quality listening experience tailored to different audio preferences. The earbuds offer six equaliser presets:

1. DIRAC
2. POP
3. ROCK
4. CLASSICAL
5. ELECTRONIC
6. ENHANCE VOCALS

Additionally, there is a Custom option that allows users to set the equaliser according to their own preferences.

More options are available in the Nothing X app.

Bluetooth 5.4

When the earbuds are in an unconnected and unworn state, they will enter an auto power-off mode after 60 minutes (this duration may vary between products). To reactivate them, you need to manually place the earbuds back into the charging case.

If the earbuds remain idle after being fully charged, they will enter a fully charged power-off state after 2 minutes.

Yes, CMF Buds 2a supports custom EQ settings.

Plastic casing: CMF Buds 2a feature a high-quality plastic casing with excellent UV resistance and impact durability.
Silicone ear tips: provide a comfortable and secure fit.
Stainless steel hinges: enhance durability and ensure a premium feel.
Plastic knobs: designed for durability and ease of use.
Charging case and earbuds: both are made of robust plastic material.

These materials ensure CMF Buds 2a are both durable and comfortable for everyday use.

The earbuds have an IP54 protection rating (level 5 dustproof and level 4 waterproof), based on the IEC 60529 testing standard, tested under controlled laboratory conditions. However, the charging case is not designed to be waterproof.

The earbuds are not designed for swimming or other water sports and should not be worn in the shower. If you use the earbuds while training, sweating heavily or splashing water, please wipe them clean with a soft, dry, lint-free cloth before placing them back in the charging case. Do not use heat or compressed air to dry the earbuds.

Please note that damage caused by immersion in liquid is not covered under the warranty.

CMF Buds 2a are co-tuned by Nothing and Dirac to ensure clarity and balance, delivering a professional-grade audio experience.

With Dirac’s extensive expertise in audio technology, the CMF Buds 2a are meticulously calibrated to produce rich and powerful bass, clear and natural mids, and transparent, detailed highs. This fine-tuning allows all types of music to present more authentic and vivid sound details, providing users with a pure and immersive listening experience.

Yes, CMF Buds 2a supports active noise cancellation (ANC) up to 42dB.

Yes, it supports dual connection.

Note: once the device connections have been established, you can select or switch devices in the dual connection settings via the Nothing X App.

*The dual connection feature only supports connecting to two devices simultaneously via classic Bluetooth (as seen in the Bluetooth settings of the devices). However, the Nothing X app can only connect to one device at a time. It is not possible to connect to the Nothing X app on two devices simultaneously. To switch to the Nothing X app on another device, please disconnect the app on the current device first.

Each earbud has a 43 mAh battery and the case has a 460 mAh battery.

No, it doesn't support wireless charging.

Yes, CMF Busd 2a supports fast charging. With a 10-minute charge, the earbuds can be used continuously for 2 hours with ANC mode off. The charging case provides an additional 3.5 hours of battery life (5.5 hours for earbuds and case).

With ANC mode on, the earbuds can be used for 1.4 hours continuously. The charging case offers an additional 2.6 hours of battery life (4 hours for earbuds and case).

Note: the battery life was tested at the Nothing laboratories at a temperature of 25℃, with the earbuds and charging case fully charged, AAC music playback at 50% volume and other features at default settings. The actual result may differ based on device settings, environment, usage and other factors.

AAC:
- Playback with ANC off:
- up to 35.5 hours with case
- up to 8 hours with buds only
- Playback with ANC on / Transparency Mode:
- up to 23 hours with case
- up to 5 hours with buds only

Talk Time:
- Talk time with ANC off:
- 18.4 hours with case
- 4 hours with buds only
- Talk time with ANC on / Transparency Mode:
- 15.6 hours with case
- 3.5 hours with buds only

Test Conditions**: Measured under AAC mode at 50% volume. Charging and battery tests are based on internal results from Nothing’s labs (25°C or 77°F). Actual battery life may vary depending on volume, frequency, output source, environmental interference, product features used, and usage habits. Actual experience will depend on individual use.

When the earbuds are in an unconnected and unworn state, they will enter an auto power-off mode after 60 minutes (this duration may vary between products). To reactivate them, you need to manually place the earbuds back into the charging case.

If the earbuds remain idle after being fully charged, they will enter a fully charged power-off state after 2 minutes.

The earbuds charge until the charging case falls below 1% battery. However, when the charging case has nearly depleted, the indicator LED won't turn on, and the charging case button won't respond. Please recharge the charging case promptly in this case.

Once the CMF earbuds is paired with your device, you can use a single earbud. Please note, the initial pairing can only be done with both earbuds.

Charging: red light steady on
Fully charged: white light steady on

Pairing: white light flashing

Battery status:
Battery drained: no light
Battery <30%: red light on for 3 seconds
Battery ≥30%: white light on for 3 seconds

Factory reset: press and hold the battery case button for 10 seconds. The red light will flash 3 times to indicate a successful reset.