Mobile Bluetooth Thermal Printer Feature: Light weight for true mobility Direct thermal printing method Easy to use and simple to maintain Easy drop-in clamshell paper loadingSupport RS232,MiniUSB,IrDA, and Bluetooth interface Continuing printing when battery in chargingSpecification: Model MPT-II Dimension 92.5*75*38 mm Print method Line thermal printer Paper width 56mm print width 48mm Weight ( g) 205 (not including the paper roll) Max diameter of paper roller 30mm Dot per lie 384 dots/line internal characters ASCII CH(24×12)GB18030(24×24) Print speed 50 80mm/s Life cycle time 50km(printing density under 12.5%)/100 million pulses text and graphic Support English, figure, symbol, Chinese, graph, curve, icon pre-stored, barcode (CODE39EAN13EAN8 CODABARCODE128CODE93ITF) Dot pitch (resolution) 203DPI/8 dots/mm interface IR,Bluetooth,RS232,Mini USB Power 1500mAh 7.4V rechargeable Lithium battery Recharge adapter Stand by recharging / AC adapter Self-check Without paper /low power/ cover open Black mark test Supported Paper feeding Easy paper loading commands ESC/POS compatible with order sets Paper cut By hands operate setting Temperature -10°C 50°C ; Humidity 20% 85% Recharge Setting Temperature 5°C 40°C; Humidity 20% 85% Storage Setting Temperature -20°C 70°C ; Humidity 5% 95% Standard accessories Long-term preservable paper, AC adapter, li-ion battery Optional accessories Serial interface cable / leather coat