Portable Thermal Printer 58mm Print Paper Handheld Printing Machine for Receipt Label Built in Battery Item Type: Thermal Printer Material: ABS Battery: 1 x DC3.7V 2500mAh Lithium Battery (built in battery) Printing Method: Line Thermal Printing Printing Speed: 180mm/s Printing Paper Width: Approx. 58mm / 2.3in Effective Printing Width: Approx. 48mm / 1.9in Effective Resolution: 203dpi Printing Paper Thickness: 0.048mm-0.08mm Character Size: ASCII FontA: 12 X 24, ASCII Font B: 9 X 17, Chinese Characters: 24 x 24 Comm Interface: Bluetooth, USB Print Character: ASCII Character Set: 12 x 24 points, 1.25mm(W)x3.00mm(H) National Standard First Second Level Chinese Character Library: 24x24 points, 3.00mm(W)x3.00mm(H) Barcode Type: One Dimensional Code: Code 39, 39C, I25, Code 93, ITF25, EAN128, Code 128, Codabar, EAN-8, EAN8+ 2, EAN8+ 5, EAN-13, EAN13+ 2, EAN13+ 5, UPC-A, UPCA+2, UPCA+5, UPC-E, UPCE+ 2, UPCE+5M SIC, ITF14, EAN14, CODE11, POST Extended Character Table: PC437, Katakana, PC850, PC860, PC863, PC865, WPC1252, PC866, PC852, PC858 and other 10 international languages. Power Adapter: 5V 1A Operating Temperature: 0-50℃ Working Humidity: 20-85% Storage Temperature: -20-70℃ Storage Humidity: 5-95% Driver: For XP, for Win7, for Win8, for Win10 Printing Command Character: For TSPL, support ANK character, custom character and Chinese character double width, double height printing, can adjust the character spacing