OVLENG Q2 USB Stereo Headphone with Mic Super BassFeature:Stylish headphones with stereo sound effects.Volume control function.Built-in Microphone.Microphone Mute Button.Excellent super bass stereo sound.Perfect fits for Gaming and Movie.Compatibility: PC, Notebook.Adjustable/bendable headband made of high quality durable plastic material.Comfortable over-the-head, around-the-ear wearing style ensures noise blockage, low song leakage, and great audio quality.Earpiece Design: Over-the-head.Host Interface: USB.Specification:1.Headphone:Unit: 40mm (1.57")Frequency: 20~20000HzImpedance: 32Ω + 15%Sensitivity: 108dB +/-2dBMax. Input Power: 100mw2.Microphone:Type: CondenserUnit: 9 x 7 mmFrequency: 50~1600HzSensitivity: -58dB +/ 2dBCable Length: 2M Package:1 x USB Headphone