Bluetooth Sports Headset
Bluetooth Version: 5.0
Bluetooth distance: 10M
Speaker size: 8mm
Battery: 90mAh
Play time: 7-8H (depand on 80% depend on 80% volume)
Charging time: 30min
Impendance: 32Ω±15%
Frequency range: 20Hz-20KHz
Color: blue, black, red