What is this?The USB port blocker can be used in a variety of equipment and place, and is suitable for optical fiber switches, routers, industrial computers, computers and other devices with USB optical ports. The product is a blocking cap with special insertion key made of PC material, which can protect open network ports and easily prevent users from connecting cables, devices or inserting foreign objects without permit.What will I get?Package contains:12 x USB Port Blocker (Material: PC)1 x Coded Key(49mm/1.92inch) Length*Width*Height: 13*10*5.6mm/0.51*0.39*0.22 inchColor: BlackIs there any advantages of the product?Our products can protect data .
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