1. Printing method: thermal line printing 2. Printing speed: 50-80mm/s 3. Barcode type: UPC-A/UPC-E/EAN8/EAN13/CODE39/ITF/CODEBAR/CODE128/CODE93 4. Interface: Bluetooth, USB (optional) 5. Resolution: 203dpi 6. Effective printing width: 48mm 7. Label paper width: 20-55mm 8. Thermal paper width: maximum 55mm 9. Font: 9×17, 12×24, support multiple code pages 10. Graphics: support bitmap printing of different densities and user-defined bitmap printing (each bitmap is up to 40K, and the total is up to 64K) 11. Charger: 5V/1A adapter, 5V/500mA computer USB connector 12. Battery capacity: 2600mAh/8.4V 13. Fully charged printing distance: 100-200m (printing density not exceeding 12.5%) or 80-100mm (printing density not exceeding 25%) 14. Recommended paper: FD210, PD150R, PD160R 15. Paper width: 58mm 16. Paper thickness: 60-80μm 17. Driver: Windows XP//Win7/Win8/Win10 18. Emulation: ESC/POS compatible command set