1.Bluetooth version：V4.2
2.Chip Model：WT200-s
3.Signal Distance：10M
4.Frequency Response：20Hz-20KHz
5.Sensitivity：105dB±3dB
6.Impedance: 32±5% Ω
7.Max Output power：20mW
8.Working time：8H
9.Talking time：8H
10.Standy time：120H
11.Battery Model:110mAh
Skype 1: longwangdanancy
Skype 2: wing_zhang852
Skype 3: Doria
Phone: +86 18924362701
Tel: +86 0769-86720518
Email 1: nancy@rxheadset.com
Email 2: wing@rxheadset.com
Email 3: doria@rxheadset.com
Add: No.1, Yongchang Road, Dongshan, Qishi Town,Dongguan, Guangdong, China
