USB 2.0 cable:Nanxudy cable lets you extend USB connections by 50 feet between your computer and USB devices thereby giving you the liberty to move away from your desktop while using your USB devices. Technical Specs:The cable features a Type Male A connector on one end that plugs into your computer and a Type Female A connector on the other that connects to the USB cable you wanna extend. Gold-Plated Connectors:The repeater cable features gold-plated connectors that resist corrosion for signal purity and durable with more than 10000 times plug. UniversalCompatibility:Plug and Play, No drivers required on any OS,Support Win98SE/2000/XP/Vista/Win7/8/10 . can not use on DVR. Connector Type:USB Type A Male, USB Type A Female. Transfer Rate:480 Mbps . Important note:This extension cable can't be used for charging,This extension cable can't be used on DVR.