Bluetooth Thermal Printer with Label Paper Portable POS Barcode Printer Black White Printing Output Item Type: Thermal Printer Model: PT 230 Battery: 1 x 3.7V Lithium Battery (not included) Printing Method: Formal Thermal Sensitivity Output Mode: Black White Resolution: 203dpi Printing Speed: 60-150mm/s Standby Time: 100H Printing Width: 48±0.5mm / 1.89±0.02in Working Temperature: -10-50℃ Storage Temperature: -20-70℃ Working Humidity: 20-50% Storage Humidity: 5-95% Comm Method: USB, Bluetooth Print Instruction: ESC POS compatible instruction set Text: More than 100 languages including Chinese, English, Japanese, etc. Image: Supports JPG, BMP, TIF, JPEG and other formats of images, no development required for driver printing, supports grayscale printing of images Barcode: 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 connection, more stable