wire Headset

1)  Wire integrated adjust volume, independent line control, and it sounds natural conspicuous;
2)  Ears with galvanized metal shell surface decoration, permanent antirust;
3)  Ear shell integration can rotate type gooseneck tube, the clear communication; microphone design
4)  Lightsome dainty type single-girder headband, adorn relaxed nature.
5)  Microphones size 9.0X7.0 mm 
6)  Sensitivity: - 40dB + 3dB
7)  Direction: all pointing
8)  Impedance: Ω 2.2 K
9)  Horn: 40.00 per day mm in diameter
10) Impedance: 16 ohms
11) Frequency response: 2 0 ~ 20kHz
12) Output 100.0 dB + sound pressure: 3dB (1KHz)
13) Plug diameter: 3.5 mm
14) Line length: about 2.2 meters
15) Net weight: about 125g