Interface:TYPE-C
1.Chip :AB5656C3
2.Bluetooth version: V5.4
3.Working range: Approximately 10 meters
4.Charging time: 2 hours
5.Music duration: 4.5 hours
6.Call duration: 3.5 hours
7.Headphone battery :30mAh
8.Charging box battery: 300mAh