Headphone,Earphone,microphone,speaker (007)

Headphone:
1) Model: DJH-02
2) Driver unit: Φ40mm 
3) Impedance: 32Ohm 
4) Frequency range: 20 - 20kHz  
5) Sensitivity: 96dB S.P.L at 1kHz 
6) Jack: 3.5mm stereo
7) Max. power: 100MW 
8) Cord length: 3m
Microphone:
1) Impedance: 2.2ohm
2) Frequency range: 30 - 16kHz
3) Sensitivity: 0dB = IV/pa. at 1kHz - 58dB
4) Jack: 3.5mm stereo
5) Max. power: 0.5mA
6) Cord length: 3m