1 Year Warranty and Warranty can be increased for more 6 months for free  registering on manufacturer website within 15 days. | 4 massager heads for deep tissue | ideal for back, neck, and other body relaxing, speeding up muscle recovery | Dead skin removal head, Wave massage, rolling scraping and heads with protective cover | Depression and Anxiety , fibromyalgia,  digestive disorders, headaches, myofascial pain syndrome, insomnia related to stress, sports injuries, soft tissue strains or injuries, as well as in improving immunity....