Bitcircuit Wired Headset Computer Headset with Microphone USB Traffic Headset USB Port Noise Cancelling Headphone Customer Service Headset with Rotatable Mic for PC

Features: 1. Wearing ear protectors, noise isolation, fatigue resistance. 2. The earmuffs are made of high-quality PU leather material, which is comfortable to wear and soft. 3. The headset is easy to use, just plug and play, the microphone is 360 rotatable for you to adjust speak angle 4. The earphone adopts one-side cable entry to avoid the trouble of the cable. 5. High-quality chips and reasonable PCB design bring excellent EMI(Electromagnetic Interference) feature. Specifications(about): Material: ABS Color: black Model: HT-102U Headphone cable length: 1.8M/70.87in Output: 1 ears Port: USB port Interface type: RJ11 crystal interface Headset type: voice headset Interface type: USB2.0 connector Speaker diameter: ?40mm/1.57in Speaker impedance: 32? Speaker frequency response: 20Hz-20KHz Speaker sensitivity: 115dB Rated output power: 41MW Maximum output power: 84MW Noise level: ?-78dBA Dynamic range: ?78 dBA Distortion rate THD: ?0.1% Stereo crosstalk: ?-52 dBA Microphone sensitivity: -52dB Microphone directivity: omnidirectional Microphone impedance: ?2.2K? Microphone frequency response: 50Hz-15KHz Packing List: 1 x Headset Notes: Due to the light and screen differences, the item's color may be slightly different from that shown in the pictures. Please allow 0.5-2cm tolerance due to manual measurement.