Micro-USB is one of the most popular USB connectors found on Cell Phones, & most mobile devices. Smaller & more durable than the existing mini-B connectors, the Micro-USB also handles power & data transfers. The Micro-USB has been designated the standard USB connection on phones from the major cell phone manufacturers. USB 2.0 rated cable handles 480 Mbps data transfer rates. For Device Type: Mobile Devices; Adapter / Charger Type: Charging Cable; Power Source(s): USB Port; Connector / Port / Interface: USB-A; Micro USB.