[Handheld Calculator]Compact size about 15cmx9.2cmx3cm/ 5.91inchx3.62inchx1.18inch, suitable for desktop use and also for handheld use [Energy Efficient Design]Big Button Calculator will automatically shut down after 7 minutes without any use, saving electricity [Mechanical Switch Calculator]more suitable for young people, clear sound, using the simple line and Retro round big button keys like typewriter , unified curved corner, line, and edge [Non Skid Back Feet Design]Office calculator is made of plastic materials, provide extra friction, keep stable on the desktop and help for fast press and calculations [10 Digit Display]Mini Portable Calculator designed with a 15 tilt screen for optimum field of view and stability Colour:As Shown Material:plastic Package Contents: 1 x Mechanical Switch Calculator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.