Features:
Adopt noise-reduction microphone, 120° adjustable angle, provides clear sound.
40mm stereo sound unit provides vivid sound field, clear and shock sound quality. 
The headset is equipped with a controller wheel, - mute, more convenient to use.
Equipped with 3.5mm jack and USB port, the USB can the indicator , and , the plating coating effectively reduces oxidation and signal loss to ensure the clarity of audio.
Ergonomic design, adopt soft memory-protein earmuffs, memory-sponge head pad and adjustable headband to ensure comfortable wearing.
Replacement for single hole laptop, smartphone, , , Switch, etc. With audio cable, it can support desktop , double hole laptop.

Specification:
Brand:
Model: G9000
Color: Black+Blue
Driver diameter: 40mm
Impedance: 32Ω
Sensitivity: 108dB±3dB
Frequency : 15Hz-20KHz
Microphone size: 6.0*5.0mm
Microphone sensitivity: -38dB±3dB
Microphone impedance: 2.2KΩ
working voltage: DC5V±5%
Headset interface: 3.5mm+USB(USB for LED )
Cable length: Approx. 2.2m/7.22ft 
Item size: 21.5 * 20 * 9cm /8.5 * 7.9 * 3.5in(L * W * H)
Item weight: Approx. 330g /11.64oz
Package size: 23.6 * 22 * 9.7cm /9.3 * 8.7 * 3.8in(L * W * H)
Package weight: /18.98oz

Packing list:
1 * G9000 headset    
1 * Audio cable                                                                                        
1 * User manual