Description: 【Color Screen Display】: The mini theremin musical module adopts a clear color screen display, is intuitive and easy to use, clear display of waveform, time frequency and volume, easy to understand. 【Multiple Adjustable Voices】: The ingenious electronic instrument can provide more than 70 sound options, including more than 20 traditional Chinese instruments, rich timbre selection to meet different needs. 【Built In Speaker】: The mini musical instrument is built in speaker and supports a headphone connection. The built in speaker brings instant performance experience, and automatically turns off after connecting headphones. Type C interface powered, convenient to use. 【Compact Size】: Compact and portable mini theremin electronics kit with detachable antennas, comfortable to hold and play, easy to store and carry, enjoy music fun anytime. 【Music Lover Gift】: The electronic instrument is also equipped with pitch indicator and corresponding piano display, which helps beginners master instrument playing skills more easily, is a nice gift for music lovers. Specification: Product size: 9.8cmx7cmx1.6cm/3.86inchx2.76inchx0.63inch Material: ABS plastic electronic components Package Includes: 1 Mini Theremin Musical Module 1 Type C Data Cable 2 Antenna Note: Please allow slightly errors 1-2cm differences due to manual measurement.