Feature:1. SPECIFICATIONS: Thermal receipt printer, printing paper width 58mm, effective printing width 48mm, with 180mm/s maximum printing speed, 203dpi resolution.2. THERMAL PRINTING: Adopting a thermal printing head, without the need for ink cartridge or ribbon, with label paper, for clear printing, and low operating costs.3. BUILT IN BATTERY: This portable thermal printer has built in 2500mAh large capacity lithium battery, easy to print anytime, anywhere, which is convenient and practical.4. GOOD COMPATIBILITY: This thermal printer supports for XP, for Win7, for Win8, and for Win10 driver, with Bluetooth and USB comm interface, has good compatibility.5. APPLICABLE PLACES: Used to print labels or receipts, widely used in supermarket, shopping mall, restaurant, fast food restaurant, cakery, retail store and other industries.Specification:Item Type: Thermal PrinterMaterial: ABSBattery: 1 x DC3.7V 2500mAh Lithium Battery (built in battery)Printing Method: Line Thermal PrintingPrinting Speed: 180mm/sPrinting Paper Width: Approx. 58mm / 2.3inEffective Printing Width: Approx. 48mm / 1.9inEffective Resolution: 203dpiPrinting Paper Thickness: 0.048mm-0.08mmCharacter Size: ASCII FontA: 12 X 24, ASCII Font B: 9 X 17, Chinese Characters: 24 x 24Comm Interface: Bluetooth, USBPrint 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, POSTTwo Dimensional Code: QRCODE, PDF41 7(optional)Extended Character Table: PC437, Katakana, PC850, PC860, PC863, PC865, WPC1252, PC866, PC852, PC858 and other 10 international languages.Power Adapter: 5V 1AOperating Temperature: 0-50Working Humidity: 20-85%Storage Temperature: -20-70Storage Humidity: 5-95%Driver: For XP, for Win7, for Win8, for Win10Printing Command Character: For TSPL, support ANK character, custom character and Chinese character double width, double height printing, can adjust the character spacing.Package List:1 x Printer1 x Label Paper1 x Data Cable1 x User Manual