Feature: 1. [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. 2. [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. 3. [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. 4. [Large Display]: Electronic desktop calculator with 12digits 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.) 5. [Wide Application]: The sound is clearer and brighter. Suitable for office, business, store, home using. Specification: Specifications: Digits: 12 Battery: Powered by 2 * AA Batteries(Batteries are not included.) Item Size: 17.0 * 13.5 * 5.0cm /`6.7 * 5.3 * 2.0in Item Weight: 197g / 6.9oz Package Size: 18.2 * 13.8 * 4.1cm / 7.2 * 5.4 * 1.6in Package Weight: 254g / 9.0oz Notes: The voice function is in Chinese, if you mind, please do not purchase this product, thanks for your understanding Due to manual measurement, the deviation of 1-5mm is normal. . Package List: 1 * Calculator 1 * User Manual(English)