This wireless headphones with microphone equips ENC noise reduction and software call noise reduction algorithm which makes the call sound quality clearer. The HiFi stereo sound of the wireless earphones provides a wider sound field and a shocking low frequency experience. It supports touch control of every single earbud, you can easily control answer or hang up calls, play or pause, volume up or down, switch songs etc without operating the phone. The attached silicone case perfectly fits with the wireless headphones, offering you the comfortable experience. The charging case quickly charge the earbuds with USB-C cable can be use 1.5hrs after charging only 10 minutes. B35 Bluetooth earphones provide four hours of playback time with one charge and can be extended up to 20 hours by using the portable charging case. You can enjoy your music anytime, anywhere. Accurate LED display of the power of charging case and both earbuds, allowing you to know the power status of the wireless earbuds and charging case at any time.