Connect or charge your Micro USB (Universal Serial Bus) devices using a standard USB (Universal Serial Bus) A-B cable connection. This Micro USB (Universal Serial Bus) to USB (Universal Serial Bus) B Adapter lets you use a USB (Universal Serial Bus) printer cable (A-B) to charge or sync Micro USB (Universal Serial Bus) devices such as Black Berry Smartphones or cell phones, PDAs or MP3 players that require a Micro USB (Universal Serial Bus) connection, by turning a USB (Universal Serial Bus) B male connector into a Micro USB (Universal Serial Bus) B male connector. " * A cost-effective solution for syncing & charging Micro USB (Universal Serial Bus) devices using a Mini USB (Universal Serial Bus) cable * Easy to use & install * Backed by Star Tech.com's lifetime warranty"