1)with microphone

2.Earcap is made in leather

3)with volume control

4)wire lenght:2.2meters

5) Mic dimensions: Ø6.0*2.7mm

6)sensitivity:-62dB±3dB

7) directivity:omnidirectional

8)impedance:2.2Ω

9)speaker diameter:Ø30mm

10)impedance:32Ω

11)frequency response:20~20000HZ

12)Max input power:20mW

13)sensitivity(S.P.L):105dB±2dB

14)3.5mm stereo plug