Function Scientific Calculator Multi-function Handwriting Tablet Note Mute Learning Aid Portable Children Business

Function Scientific Calculator Multifunctional Handwriting Board Notes Mute Learning Aid Portable Children's Business.

Feature: 1. Multi-function: intelligent calculator and LCD writing board, 12-bit screen, write while calculating, convenient and practical. 2. Environmental protection: the writing board supports repeated writing, no paper, no ink, no dust. LCD screen, no blue light, eye protection. 3. Erase and lock button: With the erase button, you can clear the entire screen with one click. Lock keys to prevent accidental deletion. 4. Replaceable battery: powered by cr1220 button battery, no need to charge and connect, ultra-low power consumption and long service life. 5. Wide range of application: small and portable, foldable and storage, very suitable for children or adults to use at home, office, school, etc. Specification: Size: 16*7.7*1.1cm (closed) 1.5*16*1.1 (open) Weight: 120g Battery model: CR1220, LR1220 Packing list: 1*Calculator+1*Button battery