... .* Support android devices via bluetooth or USB.* Many interfaces can be optional:RS-232,USB,Bluetooth+USB,Bluetooth+RS-232Specifications: Print methodThermal Line ... °C - 70°C humidity 5% - 95%Standard AccessoriesBattery,Charger, USB Cable,CD Driver, Paper-rollOptional AccessoriesLeather Case,RS-232 CablePower Adaptor DC9V ...