NILLKIN GOTWS sports headset

Bluetooth distance: 10m
Speaker unit: 8mm
Speaker type: moving coil
Sensitivity: 98 soil 3db
Frequency range: 20-20kHz
Battery capacity: 50mAh/headphone 750mAh/charging box
Continuous music time: 5 hours
Standby time: 80 hours
Charging time: 2 hours / earphone 4 hours / charging box
Protection level: IPX5