Item Type: Thermal Receipt Printer Material: Plastic Model: MTP 3F Interface: USB, Bluetooth Printing Method: Thermal printing Power Supply: 12V 1A Battery: DC7.4V PL 483966 2s Lithium battery 2500mAh (included) Supported Systems: For Windows, for iOS, for Android Network Printing: Supported Automatic Duplexing: Not supported Effective Print Width: Approx. 78mm / 3.07in Dot Density: 8 dots/mm, 384 dots/line Print Speed: 100 mm / s Printed Characters: ANK: 8X16, 12X24 GBK: 16X16, 24X24 Characters Line: ANK: 48, 32 GBK: 24, 16 Barcodes: 1 D: UPC A, UPC E, EAN 13, EAN 8, C0DE39, ITF25, CODABAR, C0DE93, C0DE128 2 D: QR Code Instruction Set: ESC POS Operating Temperature: -10 - 50°C Storage Temperature: -20 - 70°C Storage Humidity: 5 - 95% Key Features: 1. Exquisite and lightweight construction, easy to carry 2. Low noise and high speed printing 3. Equipped with high capacity rechargeable lithium battery 7.4V, 2500mAh 4. Support client local program upgrade 5. Equipped with Windows PC side drive Bluetooth host function Can be used for 5-7 days after full charge Indicator light comes on when charging and goes off after charging                 .wang-edit-text{                     font-family:'Arial' !important;                 }                 .wang-edit-text table {                     border-top: 1px solid #000;                     border-left: 1px solid #000;                 }                 .wang-edit-text table td,                 .wang-edit-text table th {                     border-bottom: 1px solid #000;                     border-right: 1px solid #000;                     padding: 3px 5px;                 }                 .wang-edit-text table th {                     text-align: center;             }