- Quick at home relief with professional red light and infrared therapy for back, waist and muscle pain relief, suitable for use at home. - Four LED therapy modes: 660nm red light for skin rejuvenation; 850nm near infrared light for deep muscle repair; combine both for maximum effect; 10Hz pulse mode adds extra benefits. - Adjustable vibration massage: 5-stage settings to improve blood circulation, enhance therapeutic effect and help relieve tension when used with light therapy. - Comfortable and portable design: high quality microfiber fabric belt for comfortable, hands free use while sitting, standing or walking. Ideal for daily home or office use. - Adjustable belt fits a range of waist sizes for versatile use. - Practical use scenarios: - After workouts to ease soreness in back and waist. - During long work days to relieve lumbar tension and stiff muscles. - At home or on the go as part of a relaxation routine.