STFMHEZ USB Headset for PC Laptop Phone, 3.5mm / USB / Type-C Jack 3-In-1 Wired Headphones with Noise Cancelling Mic & Audio Controls, Adjustable Headband Headset for Call Centers, Home Office, Online Chat

Specifications: Plug type: 3.5mm / USB / Type-C Jack Frequency response range: 20-20K (Hz) Impedance: 32 (Ω) Sensitivity: 100 (dB) Speaker diameter: 30 (Φmm) Purpose: General purpose, ordinary earphones, noise reduction headset, voice headphones, computer headphones, smart phone headset, music earphones, HIFI headphones, game audio and video headset, gaming heasets. Features: Ergonomic Design: Adjustable headband length, soft ear cushion for maximum wearing comfort, suitable for different head size wearing. Multi-purpose Headphones: 3.5mm / USB / Type-C Jack 3-In-1 Wired headsets fits for making office business conference calls, call center phone calls, speech dictation, online courses, language learning, etc. Noise Canceling Microphone: Built-in noise-canceling rotatable microphone can block out unwanted background noise for precise voice picks-up, ideal for clear conversation. Wide Compatibility: plug and play, no external power or drive needed. Compatible with compatible with PCs, laptops, tablets, and smartphones. In-line Control: With in-line control, you can easily control volume up and down, mute mic and mute speaker. Package List: 1 * 3.5mm / USB / Type-C Jack 3-In-1 Wired headsets with microphone