It's a Mini USB Jack, B Type Female Connector. This is a 5 pin mini USB connector which is generally used in Lap-top, CPU, Arduino, and many medical devices for connecting the usb cable. The voltage rating and current rating is respectively 30V DC and 1A.
|Mini USB Type||B/SMT|
|Number of Pins||5|
|Mating cycle||More than 5000 times|
|Contact resistance||30mΩ @ 100mA|