Charge or sync Micro USB mobile devices from a standard USB port on your desktop or mobile computer.The UUSBHAUB3M USB-A to Micro-B Cable (3m) provides a high quality connection between Micro USB-equipped USB 2.0 mobile devices (such as BlackBerry or Android-based smart phones, digital cameras, PDAs, Tablet PC devices and GPS systems) and a USB-capable computer, for everyday tasks such as data synchronization and file transfers.