[Hybrid Active Noise Cancellation] Equipped with hybrid active noise cancellation technology, which uses 3 microphones inside and outside the earphones to eliminate up to 45 dB of noise. With an extremely wide frequency range of up to 5000 Hz, it can detect and effectively eliminate more types of noise. Whether you are in a busy commute or in a noisy office, you can be fully immersed in your favorite music. At the same time, the transparency mode allows you to hear external sounds while enjoying music or calls [Super Bass Technology] The Bluetooth-compatible earphones change the bass experience by ensuring that the hardware and software work together and enhance the bass in real time by detecting the music signal and presenting a clearer bass effect. In addition, we give the back cavity an exhaust port design to increase airflow, making the low frequency more powerful, the mid-bass fuller, and the high frequency clearer and brighter. Enhance the bass in real time [All-day battery life] Adopts an industry-leading 55mAh battery. The earbuds can play for 11 hours when ANC is off, and 6.5 hours when ANC is on. Meanwhile, the earbuds plus the charging case can play for 39 hours (ANC off), compared to 22 hours (ANC on) [Multiple Features] The wireless earphones support for Google Fast Pair and for Microsoft Fast Pair, and are equipped with Bluetooth-compatible 5.3. The IP54 rating protects performance in everyday life. Including your most intense workouts. There is also in-ear detection, so you can listen to music smarter and easier [Compatible with Nothing X App] Connect to the Nothing X app to get the most out of CMF Buds Pro. Further enhance the sound quality by adding more bass and treble in the equalizer in the Nothing X app. Customize touch controls or switch between ANC levels. Turn on low latency mode to reduce delays when playing games on your smartphone Specifications: Sound: Dynamic Enhanced Bass Driver Noise Cancellation: Hybrid Active Noise Cancellation, 45dB Deep Call Features: Clear Voice Technology (AI Ambient Noise Cancellation) Battery: 55mAh (each earbud) / 460mAh (case) Connectivity: Bluetooth-compatible 5.3 Compatibility: Bluetooth-compatible profiles: BLE, SPP, HFP, A2DP, AVRCP Water and Dust Resistance: IP54 Fast Pairing: Google Quick Pair Other Features: In-ear Detection, LED Charging Status, Low Latency Mode, Game Mode for Nothing X App and Smartphone Control: Touch Control APP: All features available in Nothing OS as well as NothingX app on iOS and other Android devices Package included:1 x Pair of Bluetooth-compatible Earphones 1 x Charging Case 1 x Charging Cable 1 x English User Manual