Ultrahuman is adding red light therapy to its line of personal health and wellness products, with devices that sync with its smart rings. The Photon device, launched this week, is available for preorder and retails for $249.  Red light therapy is increasingly popular in the wellness and recovery space because it's noninvasive and is believed to boost collagen production, improve skin texture and help with muscle recovery.  Ultrahuman is most known for its smart rings, Ultrahuman Ring Pro and Ultrahuman Ring Air . Photon syncs with Ultrahuman's smart rings and uses members' sleep and recovery data to suggest targeted recovery red light therapy sessions. Ultrahuman CEO Mohit Kumar said the product adds a level of personalization to red light therapy, thanks to its connection with existing wearables and wellness tech.…