Hybrid Active Noise Cancellation:- With Hybrid ANC technology, CMF by NOTHING Buds Pro utilizes 3 mics both inside and outside the earpiece to cancel out noise with a depth of up to 45dB. With an extremely wide frequency range of up to 5000 Hz, it detects and effectively eliminates more types of noises. Whether you're on a busy commute or in a noisy office, you can fully immerse yourself in your favorite music. Meanwhile Transparency Mode lets you hear external sounds while still enjoying music or calls. Ultra Bass Technology:- CMF Buds Pro Bluetooth earbuds transform the bass experience by ensuring hardware and software work together and by detecting music signals to enhance the sound of bass in real-time and to present a clearer bass effect. we gave the rear chamber an exhaust vent design to increase the airflow, making the low frequencies more powerful, the low-mid frequencies fuller and the high frequencies extra clear and bright. Enhances bass in real-time. All-Day Battery Life:- CMF by nothing buds pro adopts an industry-leading 55mAh battery. Earbuds can playback 11 hours when ANC turn off and 6.5 hours playback when ANC turn on Earbuds plus charging case can playback 39 hours (ANC OFF), in contrast, 22 hours playback (ANC ON). Multiple Features:- CMF Buds Pro wireless earbuds support Google fast pair and Microsoft swift pair with Bluetooth 5.3. IP54 rated to protect performance in day-to-day life. Including your most intense workouts. And in-ear detection, so you can listen to music in a smarter and easier way. Compatible with Nothing X app:- Connect to the Nothing X app to get the most out of CMF Buds Pro. Take your sound further by adding more bass and treble in the equalizer on the Nothing X app. Customize touch controls or switch between ANC levels. Turn on Low Lag Mode to reduce latency when gaming on your smartphone. Key Features:- Orientation Type: In Ear Connectivity: Bluetooth, Version 5.3 Battery Life: 39 Hours Fast Charging: Yes Noise Cancellation: Active Noise Cancellation Voice Assistant: No USP: IP54 Water & Dust Resistant, Ultra Bass Technology