RETRO SWEET STYLING AND COLOR MATCHING: Sweet calculators feature a unique typewriter-like design. Retro and sweet round buttons mimic the feel of a mechanical keyboard, while four candy-colored options create a delightful experience during use, making the calculator a standout on your desk. BATTERY-POWERED: This calculator runs on an AAA battery (included), and automatically turns off after 10 minutes of inactivity to conserve power. RESPONSIVE LARGE BUTTONS: The colored calculator has eco-friendly large plastic buttons that are more finger-friendly, offering comfortable touch and quick response. COMFORTABLE ANGLE & LARGE DISPLAY: Designed with an elevated head for optimal viewing angle that matches human eye habits. The screen features a 12-bit LCD display that clearly shows its content. FOUR-POINT ANTI-SLIP BASE: The base of this calculator includes a four-point silicone anti-slip pad, ensuring stability on the desk and preventing accidental sliding.