Product Feature

When CMF Headphone Pro is low on battery, we recommend charging it with a standard charger connected to a type-C charging cable. The maximum supported charging power is 5W.

Note: If you're not using your headphones for a while, keep battery level at above 50%.

Bluetooth Connection: Supported audio formats include AAC, SBC, and LDAC (Hi-Res Wireless).

AUX Connection: Supports Hi-Res Wired quality.

Yes, CMF Headphone Pro supports Mircosoft Swift Pair.

Yes, CMF Headphone Pro supports Google Fast Pair.

CMF Headphone Pro supports 3.5mm aux-in wired audio connection but not USB-C Audio.

Yes, CMF Headphone Pro supports Dual Connection. This feature is turned off by default. Go to the Nothing X app to enable and explore more options.

Android 6.0 and above
iOS 13.0 and above

Yes, CMF Headphone Pro supports low latency mode.

With Nothing Phone, you get less than 120ms under Game Mode.

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.

CMF Headphone Pro is designed to deliver a high-quality listening experience for users with different audio style preferences. It offers five default sound profiles: POP, ROCK, ELECTRONIC, ENHANCE VOCALS, and CLASSICAL.

It also supports a Custom mode, allowing you to adjust the sound settings according to your personal preferences. More options are available in the Nothing X app.

Bluetooth 5.4

When the headphones are in an idle state (with no active tasks), they will enter standby mode after a timeout. (The auto-standby duration can be set in the app. The default is 30 minutes, and can be extended to up to 4 hours.)

In standby mode:
If Bluetooth is connected, the headphones will remain in standby mode until they shut down due to low battery.
If Bluetooth is not connected, the headphones will shut down after 1 hour of inactivity (no operations performed).

During standby mode, the headphones can reconnect successfully and return to normal working mode either by the phone initiating a reconnection or by pressing any button on the headphones.

Yes, CMF Headphone Pro supports custom EQ settings.

The outer casing of CMF Headphone Pro features a high-quality ABS eco-friendly plastic shell, high-strength PA+GF sliding arms, stainless steel headband strips, and more. The headphone shell adopts eco-friendly spraying, which delivers long-lasting and excellent UV resistance performance.

The ear cushions on the CMF Headphone Pro are made of PU leather (polyurethane synthetic leather), filled with high-resilience memory foam to provide a soft and comfortable fit for extended wear.

The headphones have an IPX2 protection rating, based on the IEC 60529 testing standard, tested under controlled laboratory conditions.

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

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

Charging status:
1. White breathing light: Charging
2. Solid-white light: Fully charged
3. Flashing white light: Pairing mode

Battery status:
1. No light: Battery fully depleted
2. Red light: Battery level below 10%
3. White light: Battery level at or above 10%

Factory reset:
Press and hold the Bluetooth pairing button for 10 seconds. The reset is successful when the red light flashes 3 times, and then stays solid white.

To achieve the best sound experience, please turn the Spatial Audio feature on your phone off when using it on CMF Headphone Pro.

Spatial Audio simulates a real-world sound environment to create a 3D audio experience, delivering immersive, surround-style listening directly to your ears, regardless of the audio source. This allows you to enjoy a cinema-like experience anytime.

Spatial Audio offers two modes for media content:
Concert Mode: Simulates the spatial sense of a live house, making you feel as if you’re standing in the front row of a concert.
Cinema Mode: Simulates the surround space of a movie theater, enhancing the sense of immersion when watching videos.

Please download the Nothing X app to configure these settings.

Adaptive' refers to Adaptive Noise Cancellation, an intelligent noise reduction technology. It automatically adjusts the level of noise cancellation based on the ambient noise in your environment, aiming to deliver the most comfortable and effective noise reduction experience.

Yes, CMF Headphone Pro supports Active Noise Cancellation (ANC) up to 40 dB.

Yes, it does.

Please ensure you've downloaded and installed the Nothing X app. Then navigate to the Device Settings page and configure the settings in Dual Connection.

Battery Capacity: 720 mAh

5-minute charge
With ANC mode off, CMF Headphone Pro can play continuously for 8 hours.
With ANC mode on, CMF Headphone Pro can play continuously for 4 hours.

Test conditions: Measured in AAC mode at 50% volume. Charging and battery tests were conducted in Nothing’s laboratory at a temperature of 25°C (77°F). Actual battery life may vary depending on volume, frequency, output source, environmental interference, product features used, and usage habits.

AAC
Playback with ANC off: 100 hours
Playback with ANC on: 50 hours

Talk time
Talk time with ANC off: 50 hours
Talk time with ANC on: 35 hours

LDAC
Playback with ANC off: 70hours
Playback with ANC on: 38 hours

Test conditions: Measured in AAC mode at 50% volume. Charging and battery tests were conducted in Nothing’s laboratory at a temperature of 25°C (77°F). Actual battery life may vary depending on volume, frequency, output source, environmental interference, product features used, and usage habits.