1. HD LED and Three-screen digital display 2. IPX7, waterproof and sweat-proof 3. BT 5.1 version, Binaural conversation 4. with flashlight,portable power bank for phone 5. Very strong bass,HiFi sound quality 6. Large storage cabin,upgrade magnetic,charging earphone 40 times 7. 3D Touch control, Auto Power on /Auto to Pairing 8.Compatible systems, Android,IOS,Windows systems