Bluetooth Thermal Receipt Printer 58mm Toothed Blade Portable Small Thermal Printer for Retail Store Restaurant Item Type: Bluetooth Thermal Receipt Printer Print Method: Line Thermal Print Paper Width: Approx. 57.5mm / 2.26in ± 0.5mm / 0in Print Width: Approx. 48mm / 1.89in Resolution: 8 dots/mm (203dpi) Dots per Line: 384 dots Print Speed: 50-80mm/s Printable Content: Chinese (support for all Chinese characters in GBK, BIG5, UTF-8 character sets, ASCII characters, multiple full-width custom characters, multiple half width custom characters, QR code, CODE39, CODE 128, EAN13, EAN8, CODABAR, CODE93, ITF, QR Code, graphics Connection: Type C interface, 2.0 Bluetooth (support for Android system), 4.0 Bluetooth Operating Temperature: 0℃-35℃ Operating Humidity: 20%-85% Charging Environment: 5℃-35℃ Storage Temperature: -20℃-70℃ Storage Humidity: 5%-95% Paper Shortage Detection: The red light on the printer flashes and the buzzer beeps when the paper runs out Built in Battery Capacity: 2600mAh (Included)