✅【Perfect Combination】Our red light therapy device adopts advanced LLLT technology. The 650nm red light improves skin health and collagen production. 808nm near-infrared light penetrates the deeper tissue, leading to muscle recovery, providing pain relief, and healing deeper wounds. It's safe and has no adverse side effects..✅【3 Intensity Levels】Red light therapy and 3 Intensity levels. The red light device offers two modes (light therapy, or light therapy+massage). Just short press the button to adjust the intensity level. Three different intensities are available to meet your needs. Work with an auto shut-off timer for 30 minutes..✅【Widely Used】Designed for pain relief, muscle relaxation, sports injuries, and so on. Suitable for driving pressure, interpersonal pressure, students, smartphone addicts, office workers, elderly people, and people who have muscle damage caused by excessive exercise. What's more, this device is not only for humans but also for dogs, pets..✅【Portable & Compact】Wearable, Compact, Rechargeable. It is your personal massager on the go. You can easily and effortlessly use it any time anywhere on your knee, elbow, ankle, arthritis, muscle, back, shoulder, neck, leg, abdomen, or any other where feel pain..✅【Great Gift Ideal】It is a thoughtful gift for parents, women & men, for any occasion. Shorten getting better time, speed up restore & improve circulation with our near-infrared light therapy for pain relief.