Features:
1). High-precision sound source position and super shocking sound effects
2). Variable Bass Boost enhances the reality and depth of explosions gun blasts and other deep sounds
3). High sensitivity mic and mic mute
4). Small home theater effects in 7.1surround sound
5). 7.1simulated sound channels
6). With volume control for both chatting and gaming sound
7). Keypad function: Volume+/-, mute and power on/off
8). Physical production: Driver CD
9). A singel USB connection provides power(no AC adapters necessary)

Loading details:
1). CTN meas.: 55.5*48*61.5(cm)
2). Q'ty/ CTN: 16PCS


Specifications:
Loudhailer diameter: 50mm (NdFeB)
Glittering: Headband & earcups in blue
Sound effect: 7.1 simulated sound channels
Frequency range: 20 - 20KHz
Sensitivity: 111dB +/- 3 dB at 1 khz
Impedance: 16 Ohm at 1khz
Distortion: ≤ 2% THD
Max Input power: 30mW
Mic Dimension: 6.0*5.0mm
Sensitivity: -62dB +/- 3 dB
Cable length: Approx. 3.0m
Approximate Weight: 530g/ 1.166lbs
Input Plug: USB (USB connection provides power)
Accessory: SADES brand stickers, CD driver