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Elfinbook 1.0 Smart Reusable Notebook Environmental stone paper, Cloud storage notebook, Organize files by App, Comes with a Pilot pen

Elfinbook 1.0 Smart Reusable Notebook Environmental stone paper, Cloud storage notebook, Organize files by App, Comes with a Pilot pen

USD $15.99   $19.00
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What shall i do if i ran out of the pen refill ?

You can directly buy it on GEECR.com https://geecr.com/product/pilot-erasable-pen-for-elfin-book-smart-resuable-notebook