The TheraFace Hot and Cold Rings, which attach to your TheraFace PRO device, feature a combined 6 varying temperature settings to better help your skin absorb creams, help reduce facial puffiness, improve radiance, and much more. HOT RING: Relaxes and reduces tension Decreases muscle spasms Increases blood flow COLD RING: Decreases pain Decreases inflammation Decreases muscle spasms FEATURES: Compatible with the TheraFace PRO Hot Ring Temperature Settings: 35C/95F 39C/102F 43C/109F Cold Ring Temperature Settings: 26C/78F 22C/71F 18C/65F Easy to clean for a hygienic experience PRO tip:The Cold Ring attachment can be used with your favorite percussive attachment for ultimate treatment to depuff and relax your facial muscles Hot & Cold Rings: Powered by Cryothermal Technology(TM) WHAT'S INCLUDED: 1 TheraFace Hot Ring 1 TheraFace Cold Ring Soft Carrying Case