1.Mode: CSR 4.1(nosie cancelling)
2.Profiles : HSP, HFP, A2DP, AVRCP
3.Output frequency : 20Hz~20KHz
4.Speaker diameter : 40mm
5.Speaker impedance : 32 Ohm
6.Speaker sensibility : 102dB±5dB
7.Play time: ≥ 20 hours
8.Talk time: ≥ 20 hours
9.Aux-in : 3.5mm port
10.Battery: 400 mAh Li-polymer
11.Charge input: Micro USB port
12.Charge time: 1.5-2 hours