... operate, USB charging 3, LCD indication, blue LED display SPECIFICATIONS:The Pocket Reader is the smaller RFID reader known today ... :The smaller size, portable to carryEasy to operate, USB chargingLCD indication, blue LED displaySupport ISO11784 / 11785 FDX ... , @5VDC on USB connectorWork Current<60mAIDL Current<20mAPower-down Current<10uAPowerLi-ion, 3.7VDC, 170mAH Mini RFID Animal Reader with USB