“With a light therapy lamp on your hat, you can use it while doing activities that requires moving around such as exercising and working. This lamp has red, yellow, cyan, and blue LEDs with brightness control. It turns off after 15 or 45 minutes. It’s powered by a rechargeable 8.4V battery.
In addition to blue LEDs, other colour were used because they have different benefits. Cyan LEDs may be an alternative to blue LEDs. You can turn each colour on or off for different applications such improving SAD, jeg lag, sleep, and energy.”