Behringer Vocoder synthesiser VC340. Authentic analog Vocoder, Human Voice and Strings sounds from the’80sVocoder sounds that wrote musical history and inspired some of the most famous artists and bands, Microphone input to modulate any audio signal Multiple-stage Chorus based on legendary BBD (Bucket Brigade Delay) technology37 semi-weighted full-size keys featuring velocity sensitivity32 sliders and switches to give you direct and real-time access to all important parametersComprehensive USB/MIDI implementation for connection to keyboard/sequencers Used in smoke free studio. Fully working but with some marks on the bottom.