EbookNetworking.net Cover of Mic-Lock Microphone Blocker (1 Pack) – Signal Blocking Device (3.5mm) for Laptops, Smartphones, Tablets, and Desktop Computers - Data Security, Privacy Protection, Counter Surveillance Equipment Mic-Lock Microphone Blocker (1 Pack) – Signal Blocking Device (3.5mm) for Laptops, Smartphones, Tablets, and Desktop Computers - Data Security, Privacy Protection, Counter Surveillance Equipment $8.99 See it on EbookNetworking.net