1. Integrated Speaker: This compact instrument features a builtin speaker for connecting headphones. The integrated speaker provides an instant playing experience and automatically turns off when headphones are plugged in. Powered by a Type C connector, it is userfriendly and convenient. 2. Vivid Color Display: The mini theremin module features a bright color display, which is userfriendly and clearly displays waveforms, time, and volume levels for easy understanding. 3. Multiple Sound Options: This innovative electronic instrument more than 70 sound options, including more than 20 traditional Chinese instruments, providing a variety of timbres to suit a variety of preferences. 4. Design: The compact and lightweight mini theremin kit includes a detachable antenna, designed for comfortable playing. It is easy to store and transport, allowing you to enjoy the fun of music creation wherever you are.