Model No.: KZT20
True Wireless TWS Earbuds
Private Tooling
Bluetooth version: JL5.3
Chipset: JL6983
Working distance:10M
Wireless frequency: 2.4 GHZ
Earbuds battery: 30 mAh
Charging dock: 300 mAh battery 
with protective board.
Playing time: 3-4 hours
Standby time: 60 days
Color: Black/ White/Pink
Creamy-white