Musical Desktop Calculator 12 Digits LCD Display Electronic Calculator Counter Big Buttons Time Date Show Alarm Clock Function|Calculators Features: 【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. 【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. 【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. 【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. Specifications: Digits: 12 Battery: Powered by 2 * AA Batteries(Batteries are not included.) Notes: Due to manual measurement, the deviation of 1-5mm is normal. Packing List: 1 * Calculator