HooAMI Transparent Solar Touch Screen Calculator

• Solar powered, thus no requirement of external battery.
• Size:12cmx8cm(4 6/8"x3 1/8");Thickness:5mm( 2/8");
• Touch screen, easy to use
• Perfect gift for children student
• It is very small, beautiful, and easy to carry, no matter you are out for traveling or playing, you could also bring it with you!

Solar powered, thus no requirement of external battery.TY