I received your flexible red light wrap a few days ago and it works very well , very powerful . It’s Amazing , which can be utilized in many ways and produces results . My back feels much better now.
Near infrared 850nm & red 660nm red light therapy belt is made of Eco-friendly SBR material , each led diode inside with 3 led chips which is powerful . Highly recommend for pain relief like shoulder pain , back pain , leg pain , belly weight loss , ect.