A means to recover faster and feel better. New Upgrade & Portable & Flexible - The controller has a built-in 3000 mAh lithium battery so you can use it anywhere without looking for a power supply everywhere. And red light therapy belt can wrap any parts of the body that need to be recovered without disturbing your work and life. Four Modes - 660nm Red Light mode can be absorbed effectively by the skin to increase collagen production and faster wound healing. 850nm Near-infrared Light mode can penetrate to reach even deeper to enhance muscle recovery decrease inflammation and joint pain etc. ALL mode means 660nm plus 850nm if you want maximum effect you can choose this mode. In order to avoid tissue heating or skin injury we also apply the 10Hz Pulse mode. You can choose the mode according to your situation. The red light coverage area is 4.7 inches by 18.9 inches including 60pcs red lights and 60pcs near-infrared lights. Two wavelengths of red light can achieve a better therapeutic effect and the big size can also cover a larger body area. (Note: Near-infrared light is invisible to the naked eye with the help of your cell phone camera you can see that it is working.) Easy to Clean - The front of the lamps is covered with a layer of transparent TPU film it is friendly to the skin and isolates sweat and oil of the skin. And just wipe gently with a damp towel to clean up. "Gift Present - Thiss a good present that gives families and friends a healthy and better life."