Features:
? High quality reproduction of sound by 50mm dynamic stereo driver unit.
? Hose type omnidirectional microphone with stronger reception.
? Built-in Taiwan Lingtong digital audio chip, all-round sound quality improvement.
? Adjustable headband for extended comfort.
? Large leather ear cups provide comforts when long-time wearing and isolate background noise.
? Antioxidant USB connector, more real sound quality transmission.
? Independent controller design to volume up and down music.
? Independent microphone mute switch design.

Specifications:
? Speaker Dimension: ? 50mm channel stereo
? Sensitivity: 116 ? 3dB
? Frequency Response: 20 ? 20000Hz
? Rated Power: 20mW
? Power Capability: 30mW
? Impedance: 32 ? 10% ? at 1KHz without baffle
? Sensitivity: -38 ? 3dB (0dB =1V/PA)
? Frequency Response: 20 ? 10000Hz
? Directivity: Omnidirectional condenser microphone
? Impedance: ? 2.2 K? (Max)
? Operation Voltage: 3V
? Operation Current: ? 0.3mA
? Cable Length: 2 ? 10cm
? Plug Type: USB
? Cable Material: Black PVC line
? Compatible with: Win 10 / Win 8.1 / Win 8 / Win 7 / Vista / Win XP
? Working Temperature: -10 Degree Celsius ? +50 Degree Celsius
? Working humidity: < 85%RH
? Storage temperature: -20 Degree Celsius ? +65 Degree Celsius
? Storage humidity: 50 Degree Celsius, 90 ? 95%