LIYJTK Call Center Wired Headset

[Ergonomic Design] Adjustable headband length and soft ear pads provide maximum comfort for different head sizes. [MULTI-PURPOSE HEADPHONES] Perfect for office calls, voice dictation, online classes and language learning. [NOISE ANTI MICROPHONE] The rotating microphone blocks unwanted background noise for clear conversation. [Wide Compatibility] Simply plug and play with USB on desktops, laptops and other audio devices. [ONLINE CONTROL] Easily adjust the volume, mute the mic and speaker with convenient in-line control. Specifications: Features: Ergonomic design: Adjustable headband length, soft ear pads for maximum wearing comfort, suitable for different head sizes. VERSATILE EARPH Suitable for business conference calls in the office, phone calls in call center, voice dictation, online courses, language learning, etc. Noise Cancelling Microphone: Built-in noise-cancelling rotating microphone can block unwanted background noise for accurate voice pickup, ideal for clear conversation. WIDE COMPATIBILITY: USB plug and play, no power supply or external drive required.Compatible with desktops, laptops and other USB audio devices. In-line Control: With in-line control, you can easily control the volume up and down, mute the mic and mute the speaker. Specifications: Model Number: OY359 Drive Unit: 40mm Rated power: 20 mW Operating voltage: 3.7V Operating current: 0.3-1A Mic Size: 5.7mm*5.2mm±0.5 Microphone sensitivity: -36dB±3dB Directivity: