**Product Details** 1. Bluetooth 4.0 connectivity for straightforward wireless printing from compatible smart devices. 2. Hotline printing technology ensures clear, durable impressions on various paper types. 3. Compact and portable design with a built-in 1500mAh battery, supporting usage for up to 3 days on a single charge. 4. Easy paper loading system accommodates standard 57mm wide rolls for simple operation. 5. ESC/POS command compatibility ensures smooth integration with a wide range of order systems and applications. **Specifications** 1. Printing Method: Hotline printing 2. Connectivity: Bluetooth 4.0; Interfaces: Mini USB, Power Jack 3. Printing Speed: 50 - 89.9mm/s 4. Resolution: 384 dots per line 5. Paper Specification: Width 57mm (±0.5mm); Thickness 0.05 - 0.10mm; Roll Diameter: 25mm 6. Printing Width: 48mm (±0.5mm) 7. Internal Character Sets: ASCII CH (8x16, 8x17, 9x24, 12x24); GB18030 (16x16, 24x24) 8. Operating Temperature: -10°C to 50°C 9. Battery: 1500mAh Li-ion (Included) 10. Power Adapter: DC 12V/1A 11. Charging Time: 2-4 hours; Standby Time: Up to 100 hours **Package List** 1. Portable Bluetooth Thermal Printer 2. DC 12V/1A Power Adapter 3. User Manual **Friendly Tips** 1. For optimal performance, use paper rolls within the specified thickness range of 0.05mm to 0.10mm. 2. The printer is designed for indoor use. Please operate within the specified temperature range of -10°C to 50°C. 3. A full charge typically takes 2-4 hours. The actual usage time may vary depending on printing frequency. 4. Ensure the paper is correctly aligned during loading to avoid paper jams and ensure clear printing.