1.Multi-media headset. 2.computer headset Multi-media computer headset1. Good looking and wearing comfort2. Excellent sound effect, clear sound quality3. Stable and durable4.line volume control operation SpecificationHeadphone:Sensitivity≥96dB at 1KHz, 1mWFrequency Response20 to 20,000HzImpedance32 ohmMicrophone :Sensitivity-42dB±2dB at 1KHz, 1V/PaFrequency Response100 to 10,000HzImpedance2200 ...