6 inch Learning Business Office Portable Foldable LCD Writing Board Calculator, Basic Model, Function Model

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1. Folding ultra-thin, dual-purpose battery, 12-digit display2. Display panel: LCD flexible LCD screen + calculator3. Font color: monochrome/thick handwriting4. One-click, eye prot ection, environment-friendly, rewritable, one-click delete5. One-key delete, just press the delete key gently, the screen will immediately return to its original state, no ink, no dust6. Display digits: 127. Power supply: CR1220 button battery8. Material: ABS9. Packing list: calculator + stylus10. Product size: 160x80x10mm11. Product weight: 100g12. Machine weight: 130g Show more