Bluetooth version: TWS 5.2+EDR ultra low power consumption
Bluetooth frequency band: 2.4GHZ
Battery capacity: left and right ear built-in 30mAh (one ear can last more than 6 hours)
Charging box battery 400mAh with protective plate (can be charged more than 4 times)
Speaker specifications: real copper ring speaker
Bluetooth transmission distance: 10-15m
Power consumption: 5M
Color: starry black, ivory, dark green, ruby red, cherry blossom pink
With LED power digital display
 

Packing list:

R2 Bluetooth headset*1
User Manual*1
Original box*1
Charging harness*1