... Dimension10.5(L)*7.8(W)*4.8(H)cmInterfaceSerial (RS232)OptionalWith or without batteryPrintingMethodDirect ThermalSpeed90mm/secResolution203DPI(8dot/mm)Width58mmCharacterPer LineFont ... : Bluetooth module imported from USA are with high reliability and long life.,4. Market USA, Canada, Bolivia,Ecudor, Colombia, Argentina, Brazil ...