... receipt bill thermal pos printer Support USB, RS232, Bluetooth Built in li-battery Features:Light weight for true ... Easy drop-in clamshell paper loadingSupport RS232, IrDA, and Bluetooth interfaceContinuing printing when battery in charging Specifications:PrintPrinting MethodThermal ... EmulationESC/POS SensorPaper End Sensor Interface TIII-BT:RS-232,Bluetooth; TIII-Ir:RS-232, IrDA; Power AdaptorDC9V/2A ...