Features: 80mm direct thermal printer, perfect for printing receipts. Exquisite and lightweight structure, easy to carry. BT host function, low noise and high-speed wireless printing. Equipped with Windows computer side drive, supports the client local program upgrade Equipped with 1500mAh rechargeable lithium battery, can be used for 5-7 days after fully charged. Specifications: Model: MTP-3 Color: Blue Power Plug: US, EU, UK, AU (Optional) Input Voltage: 110-240V~, 50/60Hz Output Voltage: 12V DC, Max. 1.5A Print Method: Thermal line printing BT Version: 2.0+4.0 Battery: 7.4V, 1500mAh Standby Time: 5-7 days Print Speed: 50mm/s Paper Type: Thermal Paper Paper Thickness: 0.06-0.08mm Paper Width: 79.5±0.5mm Print Width: 72mm±0.5mm Paper Roll Diameter: ≤40mm Barcode Type: UPC-A/UPC-E/JAN13（EAN13）/JAN8（EAN8）/ CODE39/ITF/CODABAR/CODE93/CODE128/ QRCODE/PDF417 Working Temperature: (0-45)℃ Storage Temperature: (-10~60)℃ Printhead Lifespan: 50 kilometers Instruction Set: ESC/ POS Item Size: 10.5 * 12 * 5.5cm/ 4.1 * 4.7 * 2.2in Item Weight: 270g/ 9.5oz Package List: 1 * Printer 1 * AC Adapter 1 * USB Cable