Professional KEENION KDM-7300 Dolby Sound Hi-Fi Stereo Gaming Headphone with Microphone

Professional KEENION KDM-7300 Dolby Sound Lightweight Hi-Fi Stereo Headphone
built in Microphone, In-Cord Volume Control, On-Off Switch, Powerfull Bass, Noise Reduction

Headphones drivers size: 40mm
Frequency Response: 10Hz-28.000Hz
Impedance: 32 Ohm
SPL@1KHz.1Vrms: 106dB
Cable: 2.3m
Connectors: 3.5mm x2
Microphone Frequency Response: 75Hz-16,000Hz
Microphone Pick up pattern: Uni-directional
Microphone Sensitivity : -48dB
Microphone Impedance: 2K Ohm