Features: 1. Light display, we can konw the charging situation in real time 2. With TWS charging case, put in and charge immediately 3. Charging box can also be as a power bank, charging mobile phone. It can be as a phone holder as well 4. Automatic switch connection, continuous press to change songs up and down, listen to the phone in both ears 5. Boot into the automatic connection to the last paired phone, more convenient 6. Intelligent compatibility, support all bluetooth mobile phone, tablet, notebook, etc 7. 8D 360° surround stereo sound, highly restored original sound 8. bluetooth 5.0, stable connection 9. CVC intelligent noise reduction for HD calling