- Environment=Friendly
- No paper, No Chalk
Use For:
- Painting
- Graffiti
- Practice
- Calculus
How to use?
- Pull out the pen :
- Writing on the writing area directly with the pen
- Press the remove button to erase the writing content; Remark: please replace a new battery when remove button without function.
- How to replace the built-in battery? Loosen the screw, pull out the battery pack to replace new battery.
- in case of losing the pen, please use a lanyard to connect to the pen
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