CMF Buds Pro 2 User Guide

Model: B172

Welcome

Scan the QR code to install the Nothing X app.

Get the most out of your products with the Nothing X app. Customize equalizer settings, assign gesture controls, update firmware, and more.

Bluetooth: Please make sure Bluetooth is turned on.

CMF by Nothing

Buds Pro 2 powered by Dirac Opteo

Dirac Opteo digitally enhances the sound in your earbuds, unlocking full sound potential and providing an optimized listening experience based on patented correction technology. Leveraging years of insight from Dirac Live's unique mixed-phase impulse response correction, Opteo uses advanced measurement-based correction technology to remove any unintended resonances or sound colorations, maximizing the acoustic performance of the headphones.

Charging Case

Diagram Description: An illustration shows the CMF Buds Pro 2 charging case. The top view displays the lid with a circular Smart Dial. The side view details the indicator light, charging port, and setup button. A separate view shows the setup button on the rear of the case.

Smart Dial: For custom functions.
Indicator Light: Shows charging status and battery level.
Charging Port: USB-C port for charging.
Setup Button: Used for pairing and factory reset.

Replacing Ear Tips

Choose ear tips in the appropriate size for optimal comfort and sound quality. Check the accessories for ear tips in different sizes. The buds arrive with medium size tips attached.

Pairing and Connecting

Use with your Android devices (Google Fast Pair)

First time use: With the buds inside the charging case, open the charging case and place it near the Android device for on-screen setup.

Connect to other devices

With the buds in the case with the lid open, press the setup button for 2 seconds until the light blinks white. You can then select the buds in your device's Bluetooth settings.

Factory reset

To restore factory settings, place the buds into the charging case with the case lid open. Press and hold the setup button of the charging case for 10 seconds until the light blinks red.

Operations

Ear bud

Double-tap: Music/standby: Skip forward. Call: Answer a call.
Triple-tap: Music/standby: Skip back. Call: Reject or hang up a call.
Tap and hold the touch area: Switch between Active Noise Cancellation and Transparency Mode.

Diagram Description: An illustration of a CMF Buds Pro 2 earbud highlights the touch-sensitive area on the stem. Dots indicate touch points for double-tap and triple-tap functions.

More options are available in the Nothing X app. Optional functions include: play/pause, skip back, skip forward, switch noise cancellation mode, volume up, volume down, and wake up voice assistant.

Charging case (Smart Dial)

No function by default. Configure the functionality in the Nothing X app for the Smart Dial to work. The Smart Dial supports features triggered by rotating, single-click, double-click, triple-click, and long-press. Customizable functions include: volume control, switching noise cancellation mode, play/pause, skip back, skip forward, Voice Assistant, answer incoming calls, hang up/reject incoming calls, mute/unmute the microphone, turn on/off Low Lag Mode.

Wearing Detection

Put in the earbuds. Take them out during music playback to pause music automatically. If you put the earbuds back in within 3 minutes, music will resume automatically. If 3 minutes pass, you'll need to play the music manually from your device.

Charging

Earbuds

Put the earbuds in the charging case and close the case lid to charge.

Charging case

To charge, close the case and connect it to a power supply through a power cable. If the indicator light of the case is solid red, the case is charging. If it is solid white, the case is fully charged.

Power level indication:

White: The battery level is higher than 30%.
Red: The battery level is lower than 30%.

Indicator Light Behavior:

If the earbuds are in the case, the indicator light will flash the color relating to the battery level of the earbuds, not the case.
By taking the left and right earbuds out, the indicator light will flash the color relating to the battery level of the case.
For Nothing phone users, you can set the widget on the lock screen or check the power status of the device in Quick Settings on the drop-down notification bar.

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