Product: Audio Theremin Musical Module Overview Compact and portable audio theremin module designed for beginners and music enthusiasts. The unit combines a builtin speaker, visual pitch and waveform feedback, and a wide range of sound options in a small ABS and metal enclosure. Key Specifications Size: approximately 9.8 x 7 x 1.6 cm (3.8 x 2.7 x 0.6 in) Material: ABS plastic and metal Color: as shown in product images Package contents: 1 pc Audio Theremin Musical Module Main Benefits Instant sound without extra gear: the integrated speaker lets you hear the theremin immediately. The speaker automatically mutes when headphones are plugged in for private practice. Easy for beginners: onscreen pitch indicator and piano display make it simple to learn pitch control and play recognizable notes. Clear visual feedback: bright color display shows waveform, elapsed time, and volume level so users can monitor and adjust sound precisely. Wide sonic palette: over 70 sound options, including traditional Chinese instrument timbres, let you experiment with different tones and textures. Small, durable design: compact footprint and ABS plus metal construction make this module convenient for travel, workshops, and desktop use. How it solves common needs Reduces setup friction: builtin speaker and simple controls remove the need for external amplification when trying out sounds or teaching. Speeds learning: visual pitch and piano readouts shorten the learning curve for players and facilitate practice sessions. Encourages creativity: dozens of timbres let users explore different musical styles without additional instruments or software. Practical Uses Home practice: use the module for solo practice sessions with the speaker, or plug in headphones for quiet sessions. Educational settings: suitable for classrooms and workshops where clear visual feedback helps demonstrate pitch and waveform concepts. Live or studio sketching: small size and diverse sounds make the module useful for quickly testing melodies or adding unique timbres to a recording session. Precautions Color may vary slightly from images due to differences in computer and device displays. Size and measurements are approximate. Please check the listed dimensions before . Included in the shipment 1 pc Audio Theremin Musical Module