Features1Muscle Fatigue Relief: Red ray device helps improve muscle fatigue and alleviate soreness, which is providing targeted treating for various conditions. 23 Light Sources: Combines red ray (630?660nm), infrared light, and blue ray. The red ray stimulates blood circulation and relieves muscle and bone soreness, while the blue ray has anti inflammatory and anti pimple effects for healthier and brighter skin. 3Cellular Advantages: The red ray activates cellular pigments and photosensitive proteins, promoting cellular metabolism and reducing inflammation. 4Improved Blood Circulation: It also stimulates cell regeneration and repair, accelerating wound healing, bone and muscle recovery, promotes tissue repair, while also exhibiting anti inflammatory and antiviral properties. 5Portable: With a handheld design and built in battery, therapeutic flashlight is convenient to use and suitable for individual use at home or on the go.SpecificationItem Type: Red Infrared Healing FlashlightMaterial: MetalLithium Ion Battery: 800mAh (built in)Product Features: 3 light source red and blue ray physical device, alone using red ray (630-660nm) blue ray (470NM light), 2 wavelengths of red ray contains all the red ray on the market function of physical equipment, you can live the blood, physical injuries, relief of all kinds of muscle and bone soreness, increased blue ray can be anti inflammatory to the skin, pimple effect is obvious, whitening, rejuvenatingPackage List1 xRed Infrared Healing Flashlight 1 x USB Charging Cable