2-In-1 Headset 3.5mm and USB headset, the two are combined into one, more convenient to use. Specification: Material: pc Frequency range: 20HZ-20KHZ Plug: USB interface Wire length: 2.2M Headphone size: unstretched: 16 * 14cm Headphone frequency response: 20HZ-20KHZ Headphone impedance: 32 Headphone sensitivity: 115db Mike impedance: 1500 Mike sensitivity: -57db Features: 1.Flexible earphones and soft and breathable sponge earmuffs ensure comfortable wearing for a long time. 2.The non-directional microphone that can be flexibly adjusted reduces background noise, and clearer communication can be achieved. 3.Through the wired control design, you can easily control the microphone, volume up / down, and sound on / off. 4.Computer usb port connection can be used. Suitable for desktop / PC / notebook computers that support USB, etc. 5.
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