1.Loudhailer diameter: 40mm(NdFeB) 2.Sound effect: 7.1 simulated sound channels 3.Frequency range: 20-20.000Hz 4.ensitivity: 112dB +/- 3 dB at 1 khz 5.Impedance: 32 Ohm +/- 15% 6.Max Input power: 30mW 7.Mic Dimension: 6.0*5.0mm 8.Mic Frequency Range: 50-10KHz 9.Mic Sensitivity: -38dB +/- 3 dB 10.Mic Impedance: smaller than 2.2K ohm at 1khz 11.Cable length: 2.2m 12.Input Plug: USB (USB connection provides power)

• headphone with microphone connector, it is suitable PC Laptops
• Earmuffs used with skin-friendly leather material, and super soft Over-ear pads that is more comfortable for long time wear. volume controller, one key Mic mute, more convenient to use.
• Bring you vivid sound field, sound clarity, sound shock feeling, capable of various games. noise isolation.
• 7.1 USB sound card delivers thrilling surround sound with separately adjustable levels. Advanced analog 7.1 Surround Sound Channel. 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 any positioning.

headphone with microphone connector, it is suitable PC LaptopsRock-T