K75 Gaming Headphone : 7.1 USB sound card delivers thrilling surround sound
Back light
the model with CM6533X1 Chip
with software
The Model with 50mm HI-FI Driver
Omnidirectional Microphones can receive voice by 360 degrees
Multipoint support beam, dispersal pressure
reduce background noise
Over-Ear

Specification :
loudhailer diameter : 50mm
Independent EQ function keys, switch 4 modes in sound, music, games, movies
Frequency rang : 20Hz-20KHz
Sensitivity :115±3dB
Impedance: 64Ohm ±15%   Ω(f=1KHz)
Distortion: ≤ 5% THD
mic directivity  : omni-directional
Max Input power : 20 mW
Mic Dimension : 6.0 × 2.7 mm
Microphone Directivity : Omnidirectional
Microphone Sensitivity: -42db±3db
Microphone Impedance: ≤ 2.2KOhm at 1KHz
plug : USB
USB Cable Length : 2M
Support Platforms :PC, Tablets, Ps4 and so on

Headphone Gaming k75 Software