Check the listing for details. 2 Pcs Microphone Blocker, USB Type C Audio Blocker, Silver. Condition: New. Listed at 17.69 USD. [WHAT TO GET]:Audio Privacy Protectors immediately isolate the built-in microphone upon insertion, simulating a microphone signal to prevent unwanted background audio recording. Its compact and lightweight form factor makes it effortlessly portable.[WHEN/WHERE TO USE]:This audio privacy protector blocks all unauthorized microphone access, safeguarding your conversations from surveillance when using connected devices in private settings such as home offices, meeting rooms, or personal spaces. It is fit for most devices featuring Type-C ports, including laptops, smartphones, tablets, and desktop computers.[WHAT IT IS]:Material: Aluminum Alloy; Color: Silver; Size: 23.65 x 12.1 x 6.83 mm / 0.93 x 0.48 x 0.27 inch(L*W*T); Connector Size: 7.2 x 8.2 x 2.4 mm / 0.28 x 0.32 x 0.