Feature:1. [Versatile Display] The theremin musical instrument features a display showing waveform, time, and frequency (can be turned off), volume, and corresponding piano pitch.2. [70 Tones] With 70 tones to choose from, you can seamlessly switch between different sounds on this electronic music instrument for creating a rich variety of music.3. [Highly Interactive] Its dynamic screen display offers real time feedback to help better control the sound, enhancing your overall musical experience.4. [Unique and Portable] The theremin is a unique, multi purpose portable instrument designed to bring the captivating of nostalgic music to your fingertips.5. [Compact Convenience] With its mini theremin design, you can carry and use this music device anytime, anywhere to create mesmerizing tunes.Specification:Item Type: ThereminMaterial: ABSDisplay Content: Waveform, time and frequency (can be turned off), volume, and corresponding piano pitchPower Supply: Type C interfaceInstrument Types: 20Tone: 70.Package List:1 x Theremin Module1 x Type C USB Cable2 x Antennas1 x Instruction Manual