This high-performance vocal effects unit features a vocoder and hardtune function, making it difficult to obtain due to discontinuation. In addition to the hardtune's signature "autotune" sound, it also boasts a variety of effects such as robot voice, distortion, and radio voice, making it a versatile multi-effects unit for vocals. The unit functions normally. While there are no noticeable scratches, there may be some minor imperfections due to use. Please understand that this is a used item before purchasing. All accessories are included, but the box and instruction manual may have folds or scratches. - Model Name: Voicetone Synth - Brand: TC-HELICON - Functions: Hardtune, Vocoder, Synthesizer - Connection Type: Microphone Input, Line Output - Controls: Tone, Key, Preset, Effect Adjustment - Country of Manufacture: Thailand Thank you for viewing.