Buy the Philips goLITE BLU Light Therapy Device at Amazon for $149.00, after $50.99 instant off. Free shipping. goLITE BLU is an easy, portable way to help boost energy, improve your mood and help you sleep better and it works in as little as 15 minutes a day (when used regularly over time). No drugs, no artificial stimulants! Advanced BLUEWAVE technology provides the exact wavelength of blue light that our bodies respond to, helping to trigger the production of chemicals in our bodies that fight fatigue, help improve mood, and promote energy and healthier sleep. Close