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How do I use ELFINBOOK wet wipe seris notebooks?
How do I use ELFINBOOK LCD?
I have bought ELFINBOOK products, how do I upgrade to the Premium?
How do I use Metal dual-use pen?
Are ELFINBOOK notebooks and ELFINBOOK APP synchronized in real time?
What pens can I use on the ELFINBOOK notebooks?
How long can the handwriting notes on ELFINBOOK notebooks keep?
How do I use ELFINBOOK Sketch?
How do I clear the notes on ELFINBOOK notebooks?
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What pens can I use on the ELFINBOOK notebooks?

You need to use the erasable pens, otherwise, the notes can not be clear.