CMF BY NOTHING B187

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User Manual: Buds Pro 2 Wireless Earbuds

Brand: CMF BY NOTHING | Model: B187

Introduction

This manual provides comprehensive instructions for the CMF BY NOTHING Buds Pro 2 Wireless Earbuds, model B187. These earbuds are designed to deliver high-fidelity audio with advanced features such as 50 dB Intelligent Active Noise Cancellation, Spatial Audio Effect, and a unique Smart Dial for intuitive control. Please read this manual thoroughly to ensure proper use, maintenance, and to fully utilize all features of your new earbuds.

Package Contents

Upon opening the package, please verify that all the following items are present:

  • CMF BY NOTHING Buds Pro 2 Wireless Earbuds (Left and Right)
  • Charging Case
  • USB-C Charging Cable
  • Multiple Sizes of Silicone Ear Tips (S, M, L)
  • User Manual
CMF BY NOTHING Buds Pro 2 earbuds inside their charging case, viewed from above.

Image: The Buds Pro 2 earbuds securely placed within their dark grey charging case, showcasing the compact design and the "CMF by NOTHING" branding subtly visible inside the case.

Setup Guide

1. Initial Charging

Before first use, fully charge the Buds Pro 2 and their charging case. Connect the provided USB-C cable to the charging port on the case and to a compatible USB power source. The indicator light on the case will show charging status. A full charge typically takes approximately 2 hours.

2. Bluetooth Pairing

  1. Ensure the earbuds are in the charging case and the case lid is open.
  2. Press and hold the function button on the charging case for 2-3 seconds until the indicator light flashes white, indicating pairing mode.
  3. On your device (smartphone, tablet, laptop), navigate to the Bluetooth settings.
  4. Select "Buds Pro 2" from the list of available devices.
  5. Once connected, the indicator light on the case will turn solid white or off, depending on the model.
CMF BY NOTHING Buds Pro 2 earbuds, side by side, showing their design.

Image: A close-up view of the two Buds Pro 2 earbuds, positioned side-by-side, highlighting their sleek dark grey finish and ergonomic shape.

3. Nothing X App Installation

For advanced customization and features, download the "Nothing X" app from your device's app store (Google Play Store for Android, Apple App Store for iOS). The app allows you to:

  • Customize Smart Dial functions.
  • Adjust ANC modes and intensity.
  • Update firmware.
  • Access equalizer settings and bass customization.

4. Optimal Ear Tip Fit

Selecting the correct ear tip size is crucial for sound quality, noise cancellation, and comfort. Experiment with the included ear tips (S, M, L) to find the best fit for your ears. A good seal will enhance bass response and ANC performance.

Operating Instructions

Smart Dial Controls

The Buds Pro 2 feature an innovative Smart Dial on the charging case for quick and intuitive control. Functions can be customized via the Nothing X app.

  • Twist: Adjust volume, navigate tracks.
  • Press: Control noise cancellation modes, activate voice assistant, switch to low-lag mode, mute microphone during calls.
Close-up of the CMF BY NOTHING Buds Pro 2 charging case, highlighting the Smart Dial.

Image: A detailed view of the Buds Pro 2 charging case, focusing on the unique Smart Dial located on its side, which allows for tactile control of various functions.

Active Noise Cancellation (ANC)

The Buds Pro 2 offer up to 50 dB of Hybrid Active Noise Cancellation with an extended frequency range of up to 5,000 Hz. This technology effectively filters out a wide range of ambient noise.

  • Intelligent Adaptive ANC: The earbuds automatically detect and compensate for background noise and ear-fit gaps.
  • Adaptive Mode: Switch to this mode via the Smart Dial or Nothing X app for intelligent environment-based silencing.

Spatial Audio Effect

Experience immersive 360° cinematic sound with the Spatial Audio Effect, based on Head-Related Transfer Function (HRTF). This feature is supported by a wide range of Bluetooth devices and audio sources, providing a surround-sound experience.

Crystal-Clear Calls

Equipped with six HD microphones and Clear Voice Technology 2.0, the Buds Pro 2 are optimized to effectively filter out ambient noise, ensuring your voice is heard clearly during calls. The Wind Noise Reduction 2.0 feature, with its unique windflow design, minimizes direct wind contact with the microphone.

Battery Life and Charging

Enjoy up to 10 hours of non-stop music playback on a single charge. With the charging case, the total playback time extends to 43 hours. The earbuds also support quick charging, providing significant playback time with a short charge.

ChatGPT Integration

The Buds Pro 2 offer integrated ChatGPT functionality, allowing you to use ChatGPT directly via your CMF or Nothing Phone.

Multipoint Bluetooth 5.4

Connect the Buds Pro 2 to two devices simultaneously using Bluetooth 5.4, allowing seamless switching between audio sources without re-pairing.

Water Resistance

The earbuds are IP54 water resistant, making them suitable for workouts and light rain. Avoid submerging them in water.

A person wearing the CMF BY NOTHING Buds Pro 2 earbuds, smiling and touching one earbud.

Image: A user demonstrating the comfortable fit and ease of interaction with the Buds Pro 2 earbuds while wearing them, indicating touch control or adjustment.

A person wearing the CMF BY NOTHING Buds Pro 2 earbuds, holding the charging case.

Image: A user wearing the Buds Pro 2 earbuds, holding the compact charging case, illustrating the portability and integrated design.

The CMF BY NOTHING Buds Pro 2 charging case and earbuds displayed at an angle.

Image: An angled view of the Buds Pro 2 charging case alongside the two earbuds, showcasing their design and how they complement each other.

Maintenance and Care

Cleaning the Earbuds and Case

  • Use a soft, dry, lint-free cloth to wipe the earbuds and charging case.
  • For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid getting moisture into openings.
  • Regularly clean the ear tips with water and mild soap, then dry thoroughly before reattaching.
  • Gently clean the charging contacts on both the earbuds and inside the case with a dry cotton swab to ensure proper charging.

Storage

When not in use, always store the Buds Pro 2 in their charging case to protect them from dust, dirt, and physical damage. Store in a cool, dry place away from direct sunlight and extreme temperatures.

Troubleshooting

ProblemPossible Solution
Earbuds not pairing/connecting.
  • Ensure earbuds are charged.
  • Place earbuds in case, close lid, then open to re-enter pairing mode.
  • Forget "Buds Pro 2" from your device's Bluetooth list and re-pair.
  • Restart your device.
No sound or low volume.
  • Check device volume and earbud volume (via Smart Dial or app).
  • Ensure earbuds are properly seated in your ears.
  • Clean earbud mesh and ear tips.
  • Try a different audio source.
ANC not working effectively.
  • Ensure a proper seal with the correct ear tip size.
  • Check ANC mode settings in the Nothing X app.
  • Ensure earbuds are clean and free of debris.
Charging issues.
  • Verify the USB-C cable and power source are working.
  • Clean the charging contacts on both earbuds and case.
  • Ensure earbuds are correctly placed in the charging case.

If the issue persists, please refer to the official CMF BY NOTHING support website or contact customer service for further assistance.

Technical Specifications

FeatureDetail
Model NameBuds Pro 2 (B187)
BrandCMF BY NOTHING
Connectivity TechnologyWireless (Bluetooth 5.4)
Noise ControlActive Noise Cancellation (up to 50 dB)
Frequency Response5000 Hz (ANC extended range)
Microphones6 HD Microphones with Clear Voice Technology 2.0 & Wind Noise Reduction 2.0
Battery Life (Earbuds)Up to 10 hours
Total Battery Life (with Case)Up to 43 hours
Charging Case Battery Capacity460 mAh
Water Resistance LevelIP54 (Earbuds)
Control TypeSmart Dial, Touch Control
Audio Driver TypeDynamic Driver
Spatial Audio360° Cinematic Sound (HRTF-based)
Weight55.3 Grams (total) / 1.95 ounces
Dimensions (Case)2.1 x 0.91 x 2.1 inches (5.3 x 2.3 x 5.3 cm)
MaterialPlastic
Compatible DevicesSmartphones, Tablets, Laptops, Smart Speakers, Bluetooth 5.3 compatible devices
A graphic detailing key features and specifications of the CMF BY NOTHING Buds Pro 2, including battery life, ANC, and sound technology.

Image: An infographic summarizing the main features of the Buds Pro 2, such as 43 hours total playback, 50 dB ANC, 6 HD mics, Hi-Res certified clarity, and the customizable Smart Dial.

Warranty and Support

For detailed warranty information, please refer to the warranty card included in your product packaging or visit the official CMF BY NOTHING website. The warranty typically covers manufacturing defects for a specified period from the date of purchase.

For technical support, frequently asked questions, or to contact customer service, please visit the official CMF BY NOTHING support page:

CMF BY NOTHING Official Support

© 2025 CMF BY NOTHING. All rights reserved.

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