Features GOOD COMPATIBILITY: External USB power adapter and mobile charging station, efficient and convenient, for Linux, for Win7, for Win8, for Win10, for iOS, for Android. PRINT PARAMETERS: Portable thermal printer, black and white printing output, with a printing speed of 60-150mm/s, efficient and practical. MULTIPLE USAGES: Can be used to print receipts, restaurant orders, barcodes, QR codes, logos, text, etc., suitable for more scenes and platforms. USB BT CONNECTION: The printer supports USB and Bluetooth connection, computer and mobile printing, and supports local program upgrades. EASY OPERATION: The Bluetooth thermal label printer has a compact size with button operation, making it easy to use anytime and anywhere. Specification: 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 Package List: 1 x Thermal Printer 1 x Label Paper 1 x Data Cable 1 x User Manual Package List 1 x Thermal Printer 1 x Label Paper 1 x Data Cable 1 x User Manual