Specification :100% Brand new and high qualityItem Name : Mini Biscuits key buckle CalculatorCompatible : for everyone, home, office, studentFunction : Slim Card Design, easy to carry, easy to playMaterial : PlasticSize : About 5.5 x 3.8 cmPowered By : 1 x  Button Cell Battery(included)Color : RandomProduct Features :1. Compact and light weight, portable and Convenience.2. Cute ultra-thin calculator with button battery.3. With modern design, easy to carry and practical to use.Package Included:1 x Pocket Calculator