Dictionary Pen Printer For Students' Wrong Questions

Product information:

Printing parameters: 200DPI
Printing method: thermal inkless black and white printing
Battery capacity: 1200mAh 7.4V lithium battery 2A charging
Printing paper: 57X25mm
Connection method: Bluetooth wireless inkless black and white printing
Color: blue, pink
Style: English version

Packing list:

1*Printer
1*Printing paper
1*Instruction
1*Charging cable