Loudhailer diameter:40mm(NdFeB)
Frequency range: :20~20.000Hz
Sound effect: 7.1 simulated sound channels
Sensitivity:112dB +/- 3 dB at 1 khz
Impedance:32 Ohm +/- 15%
Max Input power:30mW
Mic Dimension:6.0*5.0mm ? ? ? ? ? ? ? ? ? ? ?
Mic Frequency Range:50-10KHz ? ? ? ? ? ? ?
Mic Sensitivity:-38dB +/- 3 dB ? ? ? ? ? ? ? ? ?
Mic Impedance:≤2.2KΩ at 1khz ? ? ? ? ? ? ?
Cable length:Approx.3.0m ? ? ? ? ? ? ? ? ? ? ??
Approximate Weight: 370g/ 0.82lbs ? ? ? ? ?
Input Plug:USB (USB connection provides power) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Physical production:driver CD ? ? ? ? ? ? ? ? ?

7.1 USB sound card delivers thrilling surround sound with separately adjustable levels.
Unique 4-pieces of padded headband and comfortable ear cushions guarantees hours of gaming comfort.?
Reinforced headband， which offers nine levels of height adjustment for the perfect fit.
The microphone is flexible for exact positioning. ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Spotlight design on the earcups. ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
Little smart in-line Remote Control for sound and Mic.