1. Listen to songs and calls, support listening to songs and calls,2. Incoming call number.3. Whenever the Bluetooth headset is connected to the mobile phone, the Bluetooth headset will automatically reconnect to the mobile phone when turned on, which is convenient and quick.4. Smart compatibility: Support all Bluetooth-enabled mobile phones, tablets, laptops, singing, Q music, movies, etc.5. Support daily waterproof and sweatproof (does not support washing and soaking)6.Bluetooth 5.07. There are 3 sound effect choices, which can be switched at will8. Touch/Subwoofe9. Auto power on/off10. Binaural Talk11. Previous song, next song12. Listen to songs at 100% volume for 5-6 hours13. The charging box can charge the headset 6 times14. The charging case is compact and easy to carry15. Headphones are small and have no feel16. Headphone charging provides fast charging, charging for 10 minutes can be audible for 2 hours, and it only takes 20 minutes to charge