Bluetooth Thermal Printer Portable Wireless Receipt Ticket Bill POS Printing Machine Item Type: Bluetooth Thermal Printer Battery: 1 x 3.7V 18650 Lithium battery(not included) Printing Mode: Form heat sensitive Output Mode: Black and white Resolution: 203dpi Printing Speed: 60-150mm/s Standby Time: 100H Print Width: Approx. 48mm / 1.89in ± 0.5mm Operating Temperature: -10~50℃ Storage Temperature: -20~70℃ Working Humidity: 20~50% Storage Humidity: 5~95% Communication Mode: USB, Bluetooth Print Instruction: ESC or POS compatible instruction set Language: Chinese, English, Japanese, more than 100 languages Picture: JPG, BMP, TIF, JPEG and other formats of the picture, driver printing without development, support picture gray printing Bar Code: EAN-13, EAN-8, CODE39, TIF, CODABAR, CODE93, CODE128; UPC-A, UPC-E, CODEBAR QR Code: QRCOE, PDF417 Platform Support: For Windows, for iOS, for Linux Features: Multi interface time sharing printing Dual mode Bluetooth 4.0, more stable connection