SUPERIOR SOUND QUALITY: Two 40mm drivers ensure deep and precise bass reproduction. Fast and stable connection via Bluetooth 5.0 or cable can provide powerful and clear sound for better music listening. Our goal is to provide customers with better sound quality.50 HOURS OF AUTONOMY AND EVEN MORE : With an autonomy of up to 50 hours of music and more by connecting the wired headset with the supplied cable, you can fully enjoy it without limitation. (To meet the needs of more customers, the battery life has been reduced from 25 hours to 50 hours.)IMPROVE YOUR CALL QUALITY: Built-in CVC 8.4 noise-canceling microphone enables clearer conversation. It's easy to adjust the volume, play / pause music, answer a call and hang up via the controls.MAXIMUM COMFORT: Lightweight, tempered foam ear pads provide extra comfort. The wide, padded ear cushions surround the whole ear for an ergonomic design, you will not feel any pain after wearing it for a long time.ADVANCED SHARING TECHNOLOGY: Our bluetooth headset was developed and used to connect two headsets one auxiliary cable, which allows multiple people to listen to music or watch TV simultaneously. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store