This complete set of hot and cold therapy rings is powered by our innovative Cryothermal Technology™ and compatible with TheraFace (not included). Reduce puffiness under eyes, tension, pain, and inflammation with three temperature options per ring. The cold ring can even be used simultaneously with TheraFace’s percussive attachments for an even more customized routine. DOES NOT COME WITH THERAFACE DEVICE, just 2 attachments.