STIMTENS CES THERAPY ONLINE STORE Thank you for taking the time to visit the StimTens website. Our mission is to provide our customers with high-quality electrotherapy CES devices that will improve their lives. All of our CES therapy devices are FDA cleared. CES therapy are used to improve anxiety, stress, insomnia & depression. Please let us know if you have any questions while exploring our products, we're happy to help you.