1. Professional 7.1 surround sound USB gaming headphone for PC/Laptop. 
2. 7.1 USB sound card delivers thrilling surround sound with separately adjustable levels. 
3. Unique 4-pieces of padded headband and comfortable ear cushions guarantees hours of gaming comfort. 
4. Reinforced headband, which offers nine levels of height adjustment for the perfect fit. 
5. Keypad function: Volume+/-, mic control and mute. 
6. Little smart in-line Remote Control for sound and Mic. 
7. Hidden microphones, space-saving and more efficient. 
8. Eliminate sweat heat, skin-friendly earmuffs. 
9. Exquisite craftsmanship and fashion appearance. 
10. Perfect for playing game, listening to music, watching movie, chatting online, etc. 

• Brand: SADES 
• Model: SA-901 
• Sound effect: 7.1 surround sound 
• Frequency range: 20~20,000Hz 
• Sensitivity: 111±3dB at 1kHz 
• Impedance: 32 Ohm at 1kHz 
• Max input power: 50mW 
• Mic dimension: 6 * 5mm                              
• Mic sensitivity: -54±3dB 
• Input plug: USB 
• Loudhailer diameter: 40mm 
• Cable length: Approx.3m / 9.84ft     
• Color: Blue/Red 
• Keypad function: Volume+/-, mute and power on/off  
• Headphone size: Approx. 17 * 8 * 18cm / 6.7 * 3.1 * 7.1in 
• Headphone weight: Approx. 353g / 12.5oz 
• Package size: Approx. 23.5 * 22 * 9cm / 9.3 * 8.7 * 3.5in 
• Package weight: Approx. 535g / 1.18lbs