It's a Micro USB Jack, B type female connector. This is 5 pin micro connector and it's mating cycle is 5000times. The voltage rating and current rating is respectively 30V DC and 1A. The contact resistance is 30m ohm.
|Micro USB Type||B/SMT|
|Number of Pins||5|
|Mating cycle||More than 5000 times|
|Contact resistance||30mΩ @ 100mA|
|Country of Origin||China|