Model No.: KST-TWS-S9
Bluetooth 5.1
Transmission Distance: 10M
Charging Time:1H
Working Time:4H
Input:5V/1A
Battery Capacity:50mAh
Standby Time: 220H
Impedance: 32ohm
Battery for charging base: 300mah
Waterproof: IPX7
Color: Black,White
Accessory: 1*Manual, 4*earcaps,1*charging cable