This is the Roland Voice Transformer VT-4. [Contents] • Main unit • Instruction manual • Outer box • Batteries • Cable (bonus) [Reference Price] Soundhouse ¥37,400 [Product Description] The VT-4 allows you to freely change pitch/formant and easily control the pitch. With hard tuning and a variety of voice effects, you can easily reproduce radical vocal sounds, making it a recommended unit for live performances. It also works as a voice changer for streaming, podcasts, etc. I purchased it about a year ago, and it's in good condition with no noticeable scratches or stains. Thank you. *Price negotiations are possible.