Specifications:
Material: Steel + Silicon
Bluetooth Version: Bluetooth V4.1+EDR
Bluetooth Protocol: A2DP + HFP 1.5 + HS P 1.2
Range of Frequency: 2.4GHz spectrum
Ambient Noise: ≤75dB
Transmitting Range: ≥10m
Charging Time: about 1 hour
Talk Time: about 3 hours
Music Play Time: about 6 hours
Standby Time: about 160 hours
Power Supply: Built-in 230mAh rechargeable battery