Features:
1) Plug: Φ3.5mm stereo plug
2) Speaker: Φ16mm
3) Impedance: 16Ω
4) Cable length: 1,350mm
5) Frequency response: 20Hz-20kHz
6) Level difference of L-R: ± 3dB at 1,000Hz
7) Sensitivity: 118.0 ± 2dB at 1,000Hz
8) Maximum output power: 5mW
9) Maximum distortion: below or equal to 1%
10) Different colors and logos available

Packing:
4 foam cover and static packing free
Aluminum packing (silver package) or gift box packing available