Features 1、MULTIPLE PRINTING OPTIONS: This thermal printer support wireless printing with a smartphone via Bluetooth, or with a computer via a USB cable 2、POWERFUL FUNCTION: Thermal bluetooth printer can connect 8 devices or 8 apps(one for iOS and 7 for Android) at the same time through Bluetooth, support client local program upgrade, equipped with for Windows PC side drive 3、WIDE COMPATIBILITY: The printer is compatible with a variety of systems, including for WIN 7, 8, 10 XP, for OS X, for LINUX, for IOS, and for Android, and support native program upgrades 4、HIGH SPEED PRINTING: The receipt printer support Bluetooth 4.0, printing speed up to 100mm per second, faster, more energy efficient, with low noise 5、APPLICABLE SCENARIO: Thermal receipt printer support all kinds of takeout receipts, which are suitable for supermarket, shopping mall, restaurant, store receipt, mail receipt, restaurant order, bar code, QR code, logo, text, etc. To achieve a multi purpose function Specification 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 Package List 1 x Thermal Printer 1 x Data Cable 1 x Label Paper 1 x User Manual