12-Digit Battery Dual Powered Handheld Electronic Business Mini Solar Basic Desktop Financial Scientific Office Calculator, Simple Desk Calculators with Large LCD Display;

Complete function, can meet various computing needs.
Percussion keyboard ergonomic design, clear sound, after 100 thousand times of tapping test, not easy to bond.
Extra-large LCD display,touch type conductive adhesive, comfort sensitive buttons.
Solar Battery power supply, long battery life.
Perfect for office, business, school or home use.