Thermal Receipt Printer 80mm High Speed Low Noise Bluetooth Printer for Supermarket Shopping Mall Restaurant Black with Case Item Type: Thermal Receipt Printer Material: ABS Model: MTP 3B Battery: DC7.4V PL 483966 2s Li ion Battery x 1 1500mAh (Included) Print Method: Thermal Interface: USB, Bluetooth Power: 12V 1A Compatible Systems: for Windows, for iOS, for Android Network Printing: Supported Auto Duplex Printing: Not Supported Effective Print Width: 78mm Dot Density: 8 Dots/mm, 384 Dots/Line Print Characters: ANK: 8 x 16, 12 x 24 GBK: 16 x 16, 24 x 24 Characters Per Line: ANK: 48, 32 GBK: 24, 16 Paper Width: 80mm Print Head Lifespan: 50km Command Set: ESC POS Print Speed: 100mm/s Barcode Types: 1D: UPC A, UPC E, EAN 13, EAN 8, CODE39, ITF25, CODABAR, CODE93, CODE128; 2D: QR Code Platform Supported: for Windows, for iOS, for Linux Working Temperature: -10℃ to 50℃ Storage Temperature: -20℃ to 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 POS Compatible with Order Set Main Features: 1. Exquisite and compact structure, easy to carry 2. Low noise and high speed printing 3. Equipped with large capacity rechargeable Li ion battery (7.4V, 1500mAh) 4. Supports client side local program upgrade 5. Equipped with for Windows computer drivers 6. Bluetooth host function 7. Can be used for 5-7 days after being fully charged. Light on when charging, light off when fully charged