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 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 Two 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 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. Package List: 1 x Printer1 x Label Paper1 x Data Cable1 x User Manual