Brand: Rongta Model: RPP200 BU (Bluetooth, USB) Printing way: Thermal sensitive line dot method Paper width: 56mm Paper thickness: 60 ~ 80μm Valid printing width: 48 mm Resolution: 8 dot/mm (230 dpi) Dot /line: 384 dots Printing speed: 50-80 mm/s Printing content: Support any language Outer dimension: 102*108*50mm Weight: 340g Rolling paper Diameter: ≤30.5mm Interface: Original IR( RAW_IR), VIR, IrDA ( IrCOMM) RS232 port, blue tooth, interfaces varied with different models. Environment parameters: Working temperature: -10°C~ 50°C Working humidity: 20% ~ 85% Storing temperature : -20°C~ 70°C Storing humidity: 5% ~ 95% Paper feeding method: Easy paper loading Mark position: detecting mark position Paper sensor: LED indicator flashes when come to paper end meanwhile alarm. Printing Command: ESC/POS compatible with commands set Power: 1600 mAh rechargeable li-ion battery Power alarm: indicator flashes when printer will run out of power and give out two short hoots. When running out of power, buzzle will give out interval warning to indicate charging. Provide SDK for IOS and Android