Solar Function Calculator Handwriting Pad 10 Digits Display Portable Handwriting Board(Black)

1. 6-inch handwriting tablet, 240 calculation functions2. One machine with multiple functions, can be used as an erasable writing board and a smart calculator at the same time, and supports calculation while writing.3. Solar + button battery dual power supply, long battery life4. Small, lightweight and foldable design for easy storage. One-click erasing, support for repeated writing, no paper and ink required.5. Perfect for kids or adults to use at home, office, school, etc. The LCD screen has no blue light and protects the eyes.6. Ultra-thin design, magnetic closure7. 10-digit numerical display, clear and easy to use8. Material: PP shell + silicone9. Screen material: HD LCD screen10. Dimensions: 160 x 78 x 12mm11. Weight: 120g