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Can I add my own audio books to a reading pen?

July 26, 2026
BLUF: Short answer — Yes, but only in a specific way: you can add your own audiobooks to an OID-based…
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How far should a card be inserted?

July 24, 2026
How far should a card be inserted? Practical engineering guidance for toy manufacturers and importers For B2B buyers and product…
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Which direction should the card be inserted?

July 24, 2026
Which direction should the card be inserted? For B2B buyers sourcing educational devices, the seemingly simple question “which direction should…
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