WellsCare aims to lead the smart home care device market with its advanced technology and innovation. It is the manufacturer of the cold laser pain relief device called IASO, the world's first hands-free wearable cold laser pain relief device. IASO is FDA-registered drug-free cold laser device that is compact, portable, and rechargeable, that you can wear anywhere any time. 【FDA-REGISTERED, DRUG-FREE COLD LASER THERAPY】 IASO utilizes the advanced low level laser therapy (LLLT) technology. LLLT stimulates healing of body tissues and causes regeneration and relief from pain. Non-invasive and no adverse side effects. 【WORLD’S FIRST HANDS-FREE COLD LASER DEVICE FOR PAIN RELIEF】 Wearable, Compact, Rechargeable. IASO is your personal massager on the go. Simply focus on what you are doing while IASO takes care of your pain on the neck, shoulders, back, wrists, legs, knees, ankles, feet, or anywhere you feel pain. 【THREE DIFFERENT MASSAGE MODES】 IASO offers 3 different modes and users can easily cycle through by clicking the single button on the device. Choose your desired mode from 1. Light Therapy Only, 2. Light Therapy + Vibration, 3. Light Therapy + Rhythmic Vibration 【ONE YEAR WARRANTY】 We’re proud of our product quality and offers one year warranty.