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 volume controller wheel, one-key mute, more convenient to use.
Equipped with 3.5mm jack and USB port, the USB plug can power the LED indicator light, plug and play, the gold 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, tablet, PS4, Switch, etc. With audio adapter cable, it can support desktop computer, double hole laptop.

Specification:
Brand: KOTION EACH
Model: G9000
Color: Black+Blue
Driver diameter: 40mm
Impedance: 32Ω
Sensitivity: 108dB±3dB
Frequency range: 15Hz-20KHz
Microphone size: 6.0*5.0mm
Microphone sensitivity: -38dB±3dB
Microphone impedance: 2.2KΩ
LED working voltage: DC5V±5%
Headset interface: 3.5mm+USB(USB for LED lights)
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: 538g /18.98oz

Packing list:
1 * G9000 headset    
1 * Audio adapter cable