Bluetooth Version : V4.1+EDR
Profiles : A2DP/HFP/HSP/AVRCP
Frequency Range : 2.402~2.480GHz
Ambient Noise : ≤90bdB
Transmission Distance : 10M
Battery : 70mAh/3.7V
Talking Time : ≈ 5 hrs
Music Time : ≈ 3.5 hrs
Standby Time : ≈ 140 hrs
Charging Time : ≈ 2 hrs