DGYAO LED 660NM Red Light & 850 Near Infrared Light Lamp Pad for shoulder and Knee Muscle Relax use it consistently for 2-3 weeks to see results! Wireless Magnetic Power Bank and Controller - Red light for shoulder and neck device with 4000 mAh magnetic power bank which is also used as a controller，Portable design makes it easy to do light therap-y without the constraints of time and space，It is convenient to use it at work doing housework reading traveling camping. Multi-Functional Personalized Use - Infrared light for shoulder and neck with THREE LIGHTING MODE FIVE LIGHT INTENSITY TEN PULSING RATE 5-30 MINS SET You can choose appropriate mode according to body soreness type and level. Red & Infrared Light Combination - Red light therap for shoulder and neck is SMD 3 IN 1 Bulb So total have 280pcs 660nm red light and 140pcs near-infrared 850nm lights. Red light: Can effectively promote the circulation and muscle relaxation.Near infrared light: Can strongly stimulate cells to rep-air and regeneration Promotes metabolism penetrate deeply into joints and muscles to sooth soreness. Three LED Light Modes: There are red & near infrared lights/ only red lights/ only near infrared lights total three mode are free for you to choose in addition the light intensity can also be selected. Packing List: