Our 3ft Micro USB Cable meets the USB 2.0 Hi-Speed specification, it is also backward compatible with 1.0 and 1.1. The type A male end plugs into your computer, laptop or wall charger and the micro type-B male connector plugs into your device. The contacts in the connectors are gold plated to prevent corrosion for the life of the cable. The USB micro B connection is a very commonly used connection on cell phones, GPS units, and other mobile devices. The Micro B is favored over the Mini B for its slimmer connection type while still performing at the USB 2.0 specification of 480 Mbps.