Preshwous Desk Calculator, Portable Calculator with Notepad, Solar + Battery Calculator, Calculator Desktop for Students for School Office

Features --Two power supply modes: solar + battery, ensuring that there is power at all times. --Comes with a writing board, eliminating the trouble of finding paper and pen. writing repeatedly, no blue light, no radiation, green and environmentally friendly, no eye damage. --Compact and portable, it can be used in various scenarios and provides you with a handy tool for various tasks that require calculation and recording. Specification Name: Desk Calculator Materials: PP shell+PC Weight: 120g Power supply: Solar plus button battery Size: 161*78*14mm