... RS232,IrDA/Raw IR,Bluetooth,mini USB port 4.Support barcode printing 58mm android bluetooth printer suited for outdoor usage ... Dot pitch (resolution)203DPI/8 dots/mm interfaceIR,Bluetooth,RS232,Mini USBPower2000mAh 7.4V rechargeable Lithium batteryRecharge ... Humidity 5%~95%Standard accessoriesLong-term preservable paper, AC adapter, li-ion batteryOptional accessoriesSerial interface cable / leather coat ...