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.
• 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.
• Noise isolation.

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.Rock-T