Zalman ZM-HPS700W Wireless 7.1 Gaming Headset Black

 Features Wireless - Powerful and amplified Clear sound Sound modes with LED indicator Detachable microphone Premium woven fabric with memory foam ear cushions   Technical specifications   Model: ZM-HPS700W Weight: 290g Dimension: 197 x 91 x 188mm Color: Black Headphone driver diameter: 50mm Headphone impedance: 32ohm±15% Headphone frequency responce: 20Hz-20KHz Headphone sensitivity (SPL): 100dB±3dB Wireless version: 2.4GHz ISM Wireless transmitting power: 7dBm Wireless receive sensitivity: -82dbm Wireless transmit distance: 10m Mic directivity: Omnidirectional Mic impedance: 2.2K ohms Mic sensitivity: -42±3dBV Mic connector type: ø 3.5mm Virtual 7.1 ChipSet: Included Headset usage time: Max.12H Headset charge time: 2.5H (5V 500mA) Battery capacity: 1000mAH Max output power: 20mW