Model No.: KZT07
TWS Earbuds-Private Tooling
Bluetooth version: JL5.3
Material: ABS plastic
Speaker: 13mm Copper-ring horn
Working distance:10M
Wireless frequency: 2.4 GHZ
Earbuds battery: 50 mAh
Charging dock : 300 mAh battery 
with protective board.
Charging time: About 1.5 hours
Playing time: About 6-7 hours
TYPE-C connector