Chip: Realtek Realtek 8763BFR
Bluetooth version: Bluetooth 5.0
Solution: Realtek Realtek 8763BFR
Battery capacity: 55mah
Charging bay capacity: 450mA
Talk time: 5-7 hours
Playing time: 5-6 hours
Transmission distance: 25 meters
Charging time: 1-2 hours