1. Adjustable voices: This audio theremin vintage music module offers a variety of voices. It has over 70 voice options, including more than 20 traditional Chinese folk instruments, providing many exploration possibilities. 2. Compact and stylish design: Featuring a TypeC interface, this audio theremin vintage music module has a sleek and compact design, ensuring a comfortable grip and an aesthetically pleasing appearance. 3. Userfriendly: convenient to use, this module offers value for money. Its playability makes it suitable for sharing with friends or family. 4. Color screen display: Equipped with a vibrant color display, this module shows various functions, such as waveform, time frequency, volume, sound visualization, and corresponding piano note display, enhancing the visual appeal of your music experience.