GAMING HGAMING HEADSET HG9037 (ZELENE)
 
Sound: 7.1 surround (virtual)
Frequency response: 20 Hz - 20 KHz
Speaker size: 50 mm
Speaker sensitivity: 105±3dB
Speaker impedance: 32 Ω
Microphone type: omnidirectional
Microphone size: 6.0 x 2.7mm
Microphone sensitivity: -38 dB ± 3 dB
Backlight: red LED
Connectors: USB 
Cable length: 2.4 m