Thermal Bluetooth Printer Mini Wireless Portable 80mm for Receipt Ticket Bill Invoice POS Item Type: Thermal Bluetooth Printer Model: MTP-3B Battery: 1 x DC7.4V PL 484954 2s lithium battery 1500mAh Printing Method: Form heat sensitive Interface: USB, Bluetooth Power Supply: 12V 1A Supported System: For Windows, for iOS, for Android Network Printing: Supported Automatic Double Sided Printing: Not supported Effective Printing Width: Approx. 78mm / 3.07in Point Density: 8 Points/mm, 384 points/line Print Characters: ANK: 8 x 16, 12 x 24 GBK: 16 x 16, 24 x 24 Character ANK Per Line: 48, 32 GBK: 24, 16 Paper Width: Approx. 80mm / 3.15in Print Head Life: 50km Instruction Set: ESC or POS Printing Speed: 100mm/s Bar Code Type: 1-D: UPC-A, UPC-E, EAN-13, EAN-8, CODE39, ITF25, CODABAR, CODE93, CODE128; 2-D: QR code Platform Support: For Windows, for iOS, for Linux Operating Temperature: -10℃-50℃ Storage Temperature: -20℃-70℃ Working Humidity: 20-85% Storage Humidity: 5-95% Internal Characters: ASCII CH(8 x 16, 9 x 17, 9 x 24, 12 x 24); GB18030(16 x 16, 24 x 24) Print Command: ESC or POS compatible with order set Main Features: Delicate and light structure, easy to carry Low noise and high speed printing Equipped with large capacity rechargeable lithium battery 7.4V, 1500mAh Support client local program upgrade Equipped with for Windows PC side drive Bluetooth host function Can be used for 5-7 days after full charge. The indicator light will light up when charging, and will go off after charging