The belkin usb data cable connects a computer or usb hub to a digital camera or other portable device with a 5 pin micro b connection such as a mobile phone or mp3 player for quick upload of pictures and ease of data transfer the high speed belkin f3u151cp a to micro b usb 20 cable provides a secure and safe connection with a generous 18m length the cable is long enough to tuck your camera away to upload while you get on with other work