Description

• Feature: 1 Multi-function: clever calculator and LCD writing board, 10-digit screen, writing while counting, convenient and practical 2 Environmental protection: The writing board helps repeated writing, with out paper, ink, and dust LCD screen, no blue light, preserve eyes three Erase and lock button: With the erase button, you can erase the whole display screen with one key The lock key can prevent unintentional deletion 4 Replaceable battery: powered through cr1220 button battery, no use to price and connect, ultra-low energy consumption and lengthy provider existence five Wide application range: compact and portable, foldable storage, very suitable for kids or adults to apply at domestic office school and many others Packing list: 1 * calculator+1 * button battery

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