The BWOO ANC earphones' charging case features a clear LED display that shows the charge level of both the case and the earphones themselves. This means you're always in control of your battery life and can forget about the stress of a dead battery. Each earphone, with its 35mAh battery, provides up to 5 hours of uninterrupted music playback, while the 300mAh charging case offers an additional 5 charging cycles – a total of 30 hours of entertainment. #13#10Advanced Noise Cancellation (ANC) #13#10BWOO TWS earphones utilize the latest active noise cancellation (ANC) system, which automatically adapts to the shape of your ear and your surroundings. It effectively eliminates 95% of external sounds, achieving a noise reduction depth of -42 dB. This allows you to instantly cut off the noise of the airport, busy street, or subway and enjoy fully immersive sound while gaming, listening to music, or chatting. #13#10Ergonomics and intuitive controls #13#10The ergonomic shape ensures a comfortable fit in the ear canal, without feeling any pressure, even after prolonged wear. The design also improves acoustics and noise cancellation. Built-in touch sensors enable intuitive control—a single touch is all it takes to answer a call, change a track, or pause music. #13#10