Melt the tension away with the vibrating hot and cold massage. Variable speed control to customize your massage. Features 9 custom attachments. Cold helps reduce joint swelling and muscle inflammation. Soothing heat comforts tired and overused muscles. 2-Year manufacturer warranty. Attachments: Comforting heat. Soft and flexible cold gel. Spread point. Multi-node. Multi-ridge. Gentle pressure. Targeted. Dispersed pressure. Pressure point.