1.Speaker diameter:Φ40mm
2.Impedance: 32 Ω at 1kHz
3.Sensitivity: 105dB±3dB S.P.L. a 1kHz
4.Frequency response: 20~20kHz
5.Maximum Power: 80mW
6.Microphone: 6×5/-58dB±2dB
7.Plug: Φ3.5mm Stereo
8.Cord length: Approx. 1.8m
9.The loudspeaker：Φ40mm/80mW/32Ω/
10..Weight：230g
11.Demension：21*17.5*9cm
12.Material of shell:ABS Material of earcap:PU