Naviocean Infrared Red Light Therapy Belt for Body Device Wrap, Near-Infrared Light Wrap Pad with Timer LED Flexible Wearable Waist Wrap Devices for Back Shoulder Knee Joints Pa.in Reli.ef

660nm Red light can reach deep layers of the skin so that it stimulates cellular repair and increases circulation.

850nm near-Infrared light is Invisible to the naked eye, but it can penetrate and cause thermal effects to increase tissue temperature, promote blood circulation, enhance metabolism, improve cell vitality.

This therapy pad has 105 pcs leds, 63 red lights, 42 near infrared lights.

And there are 5 brightness adjust levels(L0-L4), the more brighter the more hotter and also has time setting function(5/10/15/20/25/30mins).

Belt Size: 51.1*7 inch, long enough for most of people's needs.