Hot & Cold Rings: Powered by Cryothermal Technology™ 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 muscle spasms Decreases inflammation PRO tip: The Cold Ring attachment can be used with your favorite percussive attachment for ultimate treatment to depuff and relax your facial muscles. Features: Compatible with the TheraFace PRO Available in two colorways, White or Black Easy to clean for a hygienic experience Hot Ring Temperature Settings: 35C/95F 39C/102F 43C/109F Cold Ring Temperature Settings: 26C/78F 22C/71F 18C/65F What's Included: 1 TheraFace Hot Ring 1 TheraFace Cold Ring Soft Carrying Case