Features: Microphone Lock secures your devices microphone input.<br> When plugs in, Microphone Lock will automatically becomes the device’s primary “microphone” which prevents others from listenings in.<br> Plugs Microphone Lock into your USB C port and you are good<br> Works with any USB C devices, like laptops, desktop computers, cell phones, and tablets.<br> Easy to Carry around<br> Specifications: Component:Aluminum<br> Size:Approx.24x12.1x8mm/0.94x0.47x0.31inch<br> Option Color:White,Black,Gray;<br> Package Includes: 1pc Microphone Lock<br> note: Please allow 1mm errors due to manual measurement.<br> Due to the differences between different monitors, the picture may not reflect the actual item color.