Brand new, in box, never used Sonic therapy chin device from luxury brand Infini. Www.Infinitherapy.com The Infini Sonic Therapy Chin Device is a groundbreaking tool made to rejuvenate skin and improve facial contours around the chin and jawline. This device features Electro-Magnetic Stimulation (EMS) microcurrents that help tighten and tone muscle to result in a more lifted and firmer appearance.