Protect your sensitive data with advanced USB blockers, to prevent data leaks and ensures secure charging for devices. Featuring universals compatibility with smartphones, tablets, and USB devices, this metal blockers offer plugs and play convenience without driver installation. for travel, commuters, and novices, it provide effortless security for anyone needing charging. Safeguards your information in public charging spots like airports and cafes, preventing data theft risks effectively. Its ensures long performances, making USB security accessory for daily use. Color: Black Material: Aluminum Alloy Package Contents: 1*MIC Blocker kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.