Description: Name: wired usb headset Interface type: USB Headphone Type: Wired Headphones Microphone: yes Speaker diameter: about 30mm Frequency response: 20hz-20khz Microphone Sensitivity: -38±3dB Sensitivity: 105±3dB Impedance: 32(Ω) Headphone cable length: about 1.8m Material: ABS Colour: Black Specifications: 1. Protect your hearing: This commercial-grade wideband USB headset features digital signal processing (DSP) and a noise-cancelling microphone to ensure clear calls, as well as acoustic impact protection (ASP) to protect your hearing. 2. Adjustable and comfortable to wear: The ultra-light USB headset has an adjustable headband to fit all head sizes. The flexible boom mic fits your preference, and the soft, premium ear pads ensure all-day comfort. 3. Durable Design: Precise design, high quality plastic, one-piece strap structure and flexible microphone stand, more sturdy and durable. 4. Easy volume adjustment: With the easy-to-use volume and mute controls on the power cord, you can quickly adjust the headphone volume to mute or mute the microphone or speakers. 5. Good compatibility: No driver needed, directly connect the headset to a USB compatible device. The headset is suitable for computers, laptops, PCs. Package Included: 1* Headphones