The usbretaubmb 25ft retractable usb to micro and mini usb combo cable lets you connect a variety of mobile devices such as smartphones tablet pcs or digital cameras to your computer for everyday tasks such as charging data synchronization or file transfers this 2 in 1 multifunction cable is the perfect solution for connecting your mini usb or micro usb device while avoiding the hassle of swapping in and out between 2 separate cables plus the retractable compact and lightweight design