Detailed Product Description
Features:
1) Frequency response: 20-22,000Hz

2) Headset
A) Impedance: 32 ohms
B) Sensitivity: 106dB 2dB/mW
C) Rated power: 100mW

3) Microphone
A) Impedance: 1.5k ohms
B) Sensitivity: -58dB 2dB
C) Rated power: 0.5mA

4) Jack and plug: 3.5mm stereo
5) Cord length: 2m
6) Behind neck type
7) With volume control

Packing: Double blister