UiiSii TWS21 True Wireless Earbuds

Specification:
Bluetooth Version: 5.0
Transmission Range: 10 meter
Earphone Battery: 30mAh
Charging Case Battery: 320mAh
Charging Time: 1.5 hours (Earphones)
Charging Time: 2 hours (Box)
Play Time: 3 Hours (60 % Volume)
Charging Box weight: 26gm
Input: 5V/1A