RETRO CUTE STYLING AND COLOR MATCHING: Cute calculators adopts a unique typewriter style shape, the retro and cute round keys imitate the touch of a mechanical keyboard, and four cute candy colors, allowing you to have a pleasant experience when using it, and allowing the calculator to become a scenery on your desk. BATTERY POWER: This calculator runs on one AAA battery ( one AAA battery included), and to conserve battery life, it automatically switches off if not used for 10 minutes or more. RESPONSIVE BIG BUTTON: The colored calculator has environmentally friendly plastic large keys,more suitable for fingers,comfortable touch and fast response. COMFORTABLE ANGLE & LARGE DISPLAY: The Calculator is designed with a raised head,so that the display angle of the screen can meet the human eyesight habits.The screen adopts a 12-bit LCD display,which can easily and clearly view the screen content. FOUR-POINT NON-SLIP BASE: The bottom of this basic calculator adopts four-point silicone non-slip pad,which makes the calculator stand stably on the table,stable operation is not easy to slip.