B100 Handheld Portable Bluetooth Mini Label Receipt Printer USB Charging Printer, Specification: Machine+White Label 5 Rolls 1. Printing method: direct line thermal 2. Resolution: 203DPI 3. Printing speed: 90mms 4. Interface selection: USB: USB2.0 printing support; USB+Bluetooth: USB2.0 printing support and Bluetooth 4.0 5. Printing width: 12mm 6. Editing software: supports the editing and printing of bar codes, QR codes, text and various professional and interesting graphic symbols 7. Paper type: thermal label paper roll 8. Paper roll width: 15mm 9. Paper cutting method: manual cutting 10. Built-in battery: 1500mAh, 7.4V lithium battery 11. Charging method: USB charging, can be connected to a computer or USB charger 12. Working environment: temperature: 5-40 degrees Celsius, humidity: less than or equal to 90%RH (non-condensing) 13. Storage environment: temperature: 5~45 degrees Celsius, humidity: less than or equal to 90%RH (non-condensing) 14. Dimensions: 131x82X31mm 15. Weight: 210g 16. Printing life: 50Km, printing rate 12.5%