Keep Your Conversations Private with Our Microphone Blocker. Plug It Directly into Your Devices Headphones Jack & Its Smart Chip Simply Blocks Audio Hacking on Smartphones, Tablets & Laptops So You Cant be Heard by a Malicious Third Party. Ergonomically Designed in Aluminium Metal & Plastic, Microphone Blocker is Available in Black or Grey & Can be Branded in Up to 2 Spot Colours. Easy to Pop in & Out, It is Designed to Fit Flush with Your Device. Minimum Quantity: 50