Vocal effects unit with intelligent harmony function. - Brand: TC HELICON - Model Name: VOICETONE H1 - Function: Intelligent Harmony - Controls: Mic, Guitar, Volume adjustment knobs - Connectors: MIC, OUT, POWER - Accessories: Original box, Instruction manual Thank you for viewing. Used only once, in almost new condition. Compact and easy to use, so please consider it if you are interested!