Features:
Professional 7.1 surround sound USB gaming headphone for PC/Laptop.
7.1 USB sound card delivers thrilling surround sound with separately adjustable levels.    
Handy headband， which offers nine levels of height adjustment for the perfect fit.    
Lightweight padded headband and comfortable ear cushions guarantees hours of gaming comfort.
Weapon type of volume control to renew your energy in the game.
Adjustable length hinges as well as hidden retractable microphone for stylish display.    

Specifications:   
Brand: SADES
Model: SA-904
Sound effect: 7.1 surround sound
Frequency range: 20~20，000Hz
Sensitivity: 112±3dB at 1kHz
Impedance: 32 Ohm at 1kHz
Max input power: 30mW
Mic dimension: 6 * 5mm                             
Mic sensitivity: -38±3dB
Input plug: USB
Loudhailer diameter: 40mm
Cable length: Approx.3m / 9.84ft   
Headphone size: Approx. 16 * 7 * 18cm / 6.3 * 2.8 * 7.1in
Headphone weight: Approx. 224g / 7.9oz
Package size: Approx. 26.8 * 22 * 9cm / 10.6 * 8.7 * 3.5in
Package weight: Approx. 428g / 15.1oz

Package List:
1 * Headphone
1 * CD