Feature

●Solar Powered It is very energy saving and environmentally friendly, no batteries needed, and works well with light
●If you have any problems with our products, please contact us at any time. We will reply you within 24 hours
●Transparent keyboard They are pretty cool and add fun for troublesome math, and are a great gift for kids
●Great tool for businessmen, accountants, workers, teachers, students, and anyone who needs to check and calculate


Description

Big Button Large keyboard design specialized for accurate and quick calculation.
Solar Powered It is very energy saving and environmentally friendly, no batteries needed, and works well with light.