Introduction
Welcome to the CMF BY NOTHING Buds user manual. These wireless earbuds are designed to provide a superior audio experience with advanced features such as Active Noise Cancellation (ANC), Transparency Mode, and high-definition sound tuned by Dirac. This manual will guide you through the setup, operation, and maintenance of your earbuds to ensure optimal performance and longevity.
What's in the Box
Please check the package contents to ensure all items are present:
- CMF BY NOTHING Buds Wireless Earbuds (Left and Right)
- Charging Case
- User Manual
- Ear Tips (various sizes)
Product Overview
Familiarize yourself with the components of your CMF BY NOTHING Buds.




Setup
1. Charging the Earbuds and Case
Before first use, fully charge the earbuds and charging case. Place the earbuds into the charging case and close the lid. Connect the charging case to a power source using a USB-C cable (not included). The indicator light on the case will show the charging status. A full charge provides up to 8 hours of playback for the earbuds and up to 35.5 hours total with the charging case. A quick 10-minute charge can provide approximately 6.5 hours of playback.
2. Pairing with Your Device
The CMF BY NOTHING Buds utilize Bluetooth 5.3 for a stable and efficient connection, supporting Fast Pair for quick setup.
- Open the charging case. The earbuds will automatically enter pairing mode (indicated by a flashing light).
- On your device (smartphone, tablet, laptop), enable Bluetooth.
- Select "CMF Buds" from the list of available devices.
- Once connected, the indicator light will turn solid, and you will hear a confirmation tone.
For Nothing smartphones, Fast Pair will automatically detect the earbuds when the case is opened, prompting a quick connection.
3. Nothing X App Integration
Download the Nothing X app from your device's app store to unlock full customization options for your CMF BY NOTHING Buds. The app allows you to:
- Adjust Ultra Bass levels.
- Customize touch controls.
- Switch between Active Noise Cancellation and Transparency modes.
- Activate Low Lag Mode for gaming.

Operating Instructions
1. Active Noise Cancellation (ANC) and Transparency Mode
Your CMF BY NOTHING Buds feature 42dB Active Noise Cancellation to block out ambient noise and Transparency Mode to let you hear your surroundings.
- ANC Mode: Reduces external noise, ideal for travel or noisy environments.
- Transparency Mode: Allows ambient sounds to pass through, keeping you aware of your surroundings without removing the earbuds.
Switch between modes using the customizable touch controls on the earbuds or through the Nothing X app.

2. Touch Controls
The earbuds are equipped with touch-sensitive areas for media control and call management. Default controls are:
- Single Tap: Play/Pause, Answer/End Call
- Double Tap: Next Track, Reject Call
- Triple Tap: Previous Track
- Press and Hold: Switch ANC/Transparency Mode
These controls can be customized via the Nothing X app.
3. Dual Device Connection
The CMF BY NOTHING Buds support dual device connection, allowing you to seamlessly switch between two paired devices without manually disconnecting and reconnecting.
4. Low Lag Mode (Gaming Mode)
For an optimized gaming experience, activate Low Lag Mode through the Nothing X app. This mode reduces audio latency, ensuring synchronized sound during gameplay. On Nothing smartphones, this mode may activate automatically when entering a game.

Maintenance
1. Cleaning
Regular cleaning helps maintain sound quality and hygiene.
- Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- Remove ear tips and clean them with mild soap and water, then dry thoroughly before reattaching.
- Use a dry cotton swab to carefully clean the speaker mesh and charging contacts.
- Avoid using abrasive materials, solvents, or harsh chemicals.
2. Water and Dust Resistance
The CMF BY NOTHING Buds are rated IP54 for dust and water resistance. This means they are protected against limited dust ingress and splashing water from any direction. They are not waterproof and should not be submerged in water.
- Avoid exposing the earbuds to excessive moisture, sweat, or rain for prolonged periods.
- If they get wet, wipe them dry immediately before placing them back in the charging case.

Troubleshooting
If you encounter issues with your CMF BY NOTHING Buds, try the following solutions:
| Problem | Solution |
|---|---|
| Earbuds not pairing | Ensure earbuds are charged. Place them in the case, close, then open to re-enter pairing mode. Check your device's Bluetooth settings. |
| No sound or low volume | Check device volume. Ensure earbuds are properly seated in your ears. Clean speaker mesh. Re-pair the earbuds. |
| ANC not working effectively | Ensure earbuds fit snugly. Try different ear tip sizes. Check ANC settings in the Nothing X app. |
| Charging issues | Ensure charging cable is securely connected. Clean charging contacts on earbuds and case. Try a different USB-C cable or power adapter. |
| Touch controls unresponsive | Ensure your fingers are clean and dry. Restart the earbuds by placing them in the case and taking them out. Check settings in the Nothing X app. |
Specifications
Detailed technical specifications for the CMF BY NOTHING Buds:
- Model Name: CMF Buds
- Item Model Number: B168
- Connectivity Technology: Wireless
- Wireless Communication Technology: Bluetooth 5.3
- Noise Control: Active Noise Cancellation (42dB depth, 2900Hz frequency range)
- Driver Size: 12.4 mm
- Impedance: 70 Ohm
- Control Method: Touch
- Battery Type: Lithium Ion (3 batteries included)
- Earbud Battery Life: Up to 8 hours (single charge)
- Total Playback with Case: Up to 35.5 hours
- Quick Charge: 10 minutes for 6.5 hours playback
- Water Resistance Level: IP54 (Dust and Water Resistant)
- Compatible Devices: Laptops, Tablets, Mobile Phones
- Product Dimensions: 5.47 x 5.47 x 2.3 cm
- Item Weight: 53.5 grams
- Material Type: Durable Plastic
- Color: Light Grey
Safety Information
Please read and follow these safety guidelines to prevent damage to your device or injury to yourself:
- Do not disassemble, repair, or modify the product.
- Keep the earbuds and charging case away from extreme temperatures, direct sunlight, and open flames.
- Avoid exposing the product to strong magnetic fields.
- Do not use the earbuds at high volume for extended periods to prevent hearing damage.
- Keep out of reach of children and pets.
Warranty and Support
For warranty information or technical support, please refer to the warranty card included in your product packaging or visit the official CMF BY NOTHING website. If you have any issues not covered in this manual, please contact customer service for assistance.