1. Bluetooth: 5.0
2. Material: ABS
3. Transmit Distance: 10-15m
4. Battery: Lithium, Earphones 55mah, Charging box:400mah
5. Play time: 3-4h
6. Standby time:100h
7. Charging time: earphones for 1h, Box for 2h
8. Color: Black
9. Carton: 56.5*43*20cm GW:12kg 100pcs/ctn
10. 13.5*8.1*3.5cm GW?120g