HUIOP Calculators Large Display,Musical Desktop Calculator 12-Digits LCD Display Electronic Calculator Counter Big Buttons with Music Piano Play Time Date Show Alarm Clock Function for Office

["【Musical Function】: It is not only a calculator, but also a musical instrument, which can be used to play some simple music. \"CE\" Button can switch long, medium and short tone.","【Multi-Functions】: Support add, subtract, multiply and divide calculation function, GT, M+, M-, MRC, etc. Support time, date, alarm, volume control function. Let you work fast and efficiently.","【How to Convert Electronic Piano】: First press the \"AC\" button, then press the \"Time/Date\" button twice to enter the musical function. Press the number key\"1-9\" and \"+,-,x,÷,=\", the calculator will make a sound.","【Large Display】: Electronic desktop calculator with 12-digits large LCD display. Tilted screen design, clear and easy to read. Ergonomic design, comfortable button. Powered by 2pcs AA batteries, easy to use.(Batteries are not included.)","【Wide Application】: The sound is clearer and brighter. Perfect choice for office, business, store, home using."]