The uusbmusbfm micro usb to mini usb 20 adapter features a micro usb female b type connector and a mini usb male connector a cost effective and convenient solution that lets you sync and charge micro usb devices such as blackberry or android based cell phones to older mini usb devices providing both versatility and durability the micro usb to mini usb adapter saves you from having to carry multiple cables to accommodate different types of usb device connections micro usbmini usb