1. Product Overview
The CMF by Nothing Buds Pro are True Wireless Stereo (TWS) earbuds designed to deliver an immersive audio experience with advanced features. These earbuds incorporate Hybrid Active Noise Cancellation (ANC), powerful bass drivers, and extended battery life, making them suitable for various uses from daily commutes to gaming.
Image 1.1: CMF Buds Pro TWS Earbuds in their charging case (Black variant).
2. What's in the Box
Upon opening your CMF Buds Pro package, you will find the following items:
- 1x Charging Case
- 2x Earbuds (Left and Right)
- Ear tips in sizes S, M, L (Medium size pre-installed)
- Safety Information
- Warranty Information & User Guide
Image 2.1: CMF Buds Pro earbuds and charging cases in various colors.
3. Setup Instructions
3.1 Initial Charge
Before first use, place both earbuds into the charging case and connect the case to a power source using a USB-C cable. Ensure the earbuds and case are fully charged for optimal performance.
3.2 Pairing with Your Device
- Open the charging case with the earbuds inside. The indicator light on the case will flash white, indicating pairing mode.
- On your smartphone or device, enable Bluetooth.
- Search for available devices and select "CMF Buds Pro" from the list.
- For Android devices, Google Fast Pair will automatically detect the earbuds when the case is opened nearby. Follow the on-screen prompts to connect.
- For Windows devices, Microsoft Swift Pair will similarly assist with quick pairing.
- Once connected, the indicator light on the case will turn solid white or off, depending on the model.
3.3 Fitting the Earbuds
Select the ear tips that provide the best seal and comfort for your ears. A proper fit is crucial for optimal sound quality and Active Noise Cancellation performance. Gently insert the earbuds into your ear canal and twist slightly to secure them.
Image 3.1: Features like Google Fast Pair, Microsoft Swift Pair, and Bluetooth 5.3 for seamless connectivity.
4. Operating Instructions
4.1 Touch Controls
The CMF Buds Pro feature intuitive touch controls on each earbud. These controls can be customized via the Nothing X app.
| Action | Function |
|---|---|
| Double Tap | Skip forward / Answer or Hang up calls |
| Triple Tap | Skip back / Decline incoming call |
| Tap & Hold | Switch between Active Noise Cancellation and Transparency Mode |
| Double Tap & Hold | Customizable (e.g., Volume Control) |
Image 4.1: Visual guide to the touch controls on the CMF Buds Pro earbuds.
4.2 Active Noise Cancellation (ANC) & Transparency Mode
The earbuds feature 45 dB Hybrid ANC to reduce ambient noise and a Transparency Mode to allow you to hear your surroundings. Use the Tap & Hold gesture to switch between these modes.
4.3 Nothing X App
Download the Nothing X app from your device's app store to unlock full customization options for your CMF Buds Pro. The app allows you to:
- Customize touch controls.
- Adjust ANC levels and switch modes.
- Access equalizer settings for personalized sound.
- Activate Low Latency Mode for gaming.
Image 4.2: The Nothing X app provides extensive customization options for your earbuds.
4.4 ChatGPT Integration
When connected to a Nothing smartphone, the CMF Buds Pro support ChatGPT voice assistant integration. This allows you to interact with ChatGPT directly through your earbuds for information and assistance.
Image 4.3: ChatGPT voice assistant integration with Nothing smartphones.
5. Charging and Battery Life
The CMF Buds Pro offer extended battery life and fast charging capabilities.
- Earbuds Playback: Up to 11 hours (ANC off).
- Total Playback (with charging case): Up to 39 hours.
- Fast Charging: 10 minutes of charging provides up to 3 hours of playback.
To charge, place the earbuds in the charging case and connect the case to a USB-C power adapter.
Image 5.1: Battery life and fast charging capabilities of CMF Buds Pro.
6. Maintenance and Care
6.1 Cleaning
Regularly clean your earbuds and charging case to maintain optimal performance and hygiene. Use a soft, dry, lint-free cloth. For ear tips, remove them from the earbuds and clean with mild soap and water, then dry thoroughly before reattaching.
6.2 Water and Dust Resistance (IP54)
The CMF Buds Pro earbuds are rated IP54 for water and dust resistance, meaning they are protected against dust ingress and splashing water from any direction. This makes them suitable for workouts and light rain. The charging case is not IP54 rated.
Image 6.1: CMF Buds Pro are IP54 rated for water and dust resistance.
6.3 Durability
The CMF Buds Pro are built to withstand daily use, undergoing rigorous testing for durability:
- 5,000 times plug & unplug tests for the charging port.
- 2,000 times stability tests for the charging port.
- 10,000 times switch tests for the charging case.
- 10,000 times case button press tests.
- 96 hours of temperature tests (-40/70°C).
- 96 hours of high temperature/humidity tests (65°C/96%).
Image 6.2: Durability testing ensures the longevity of your CMF Buds Pro.
7. Troubleshooting
If you encounter issues with your CMF Buds Pro, refer to the following common solutions:
- Earbuds not pairing: Ensure both earbuds are in the charging case and the case lid is open. Check that Bluetooth is enabled on your device and the earbuds are in pairing mode (flashing white light). Try forgetting the device in your phone's Bluetooth settings and re-pairing.
- No sound from one earbud: Place both earbuds back into the charging case, close the lid for a few seconds, then open it again. Check the battery level of both earbuds.
- Poor sound quality: Ensure the ear tips provide a good seal. Try different sized ear tips. Clean any debris from the earbud nozzles.
- Charging issues: Ensure the charging cable is securely connected to both the case and the power source. Try a different USB-C cable or power adapter. Clean the charging contacts on both the earbuds and the case.
- ANC not working effectively: Ensure the earbuds are properly seated in your ears with a good seal. Update the firmware via the Nothing X app.
For persistent issues, refer to the support section or contact customer service.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | CMF BY NOTHING |
| Model Number | B163 |
| Model Name | Buds (Pro) |
| Ear Placement | In Ear |
| Noise Control | Active Noise Cancellation (45 dB Hybrid ANC) |
| Audio Driver Size | 10 mm Dynamic Driver |
| Frequency Response | 20 Hz - 20,000 Hz |
| Impedance | 32 Ohms |
| Microphones | 6 HD Microphones with Clear Voice Tech |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 10 Metres |
| Battery Life (Earbuds) | Up to 11 hours (ANC off) |
| Battery Life (Total with Case) | Up to 39 hours |
| Fast Charging | 10 minutes charge for 3 hours playback |
| Water Resistance Level | IP54 (Earbuds only) |
| Control Type | Touch Control (Call, Media, Noise, Volume) |
| Compatible Devices | Cellphones, Gaming Consoles, Laptops, Tablets, Television |
| Earbud Weight | Approx. 4.9g each |
| Charging Case Weight | 46 Grams |
| Charging Case Dimensions | 5.8 cm (L) x 5.8 cm (W) x 2.4 cm (H) |
9. Warranty Information
The CMF Buds Pro come with a 1 Year Limited Warranty provided by the manufacturer from the date of purchase. This warranty specifically covers manufacturing defects only.
Please note that the warranty does not cover:
- Physical damage
- Liquid damage
- Unauthorized repairs
- Damage caused by accessories not provided by the manufacturer
Retain your proof of purchase for warranty claims.
10. Customer Support
For any inquiries, technical assistance, or warranty claims, please contact CMF by Nothing customer support:
- Toll-free number: 18002021232
- Email support: india@nothing.tech
Importer & Packer Contact Information:
ESSENTIALLY NOTHING PRIVATE LIMITED, Gurgaon, Haryana, India
Image 10.1: CMF Support information and service network overview.
