USB Headset with MicrophoneComputer Headset On-Ear Headphones with Built-in Mic and Flexible BoomWired Ear Gaming Headphones with Noise Canceling for PC

Specifications: Sensor: 30mm polyester film dome, ferrite magnet Impedance: 25 ohms on each side, +/- 15% Frequency response: 20-20KHz Sensitivity: 110dB±3dB at 1kHz Earmuff isolation: 7dB±2dB at 1kHz Distortion: 5% Volume control: none Double plug: 3.5mm Impedance: 25 ohms on each side Frequency range: 20Hz-20K Hz Sensitivity: 98dB±3dB at 1KHz Headband: adjustable Ear muffs: noise reduction, ABS plastic, durable Ear cushion: PVC artificial leather Color: black and blue Packing List: 1 Pair of Headphones