Proven, safe, and certified – the AYO led light glasses are a safe and natural way to optimize your body clock. The AYO technology is based on tested and well-proven light treatment solutions and industry standards, with over 10,000 analyzed sessions. AYO is considered safe for the eyes, in accordance with EU directive IEC 62471 and is independently certified by TÜV Rheinland. Bluetooth 4.0 Connection to goAYO app. Rechargeable li-ion polymer battery with over 10,000 hours of estimated life. Innovative advanced technology gadget - the wearable AYO blue-light emitting band fits comfortably on your head with a frame similar to glasses or sunglasses. The AYO smart programs for sleep, travel, and energy are fully controlled by the goAYO app available for iOS and android. One size fits all with dimensions of 6.1 X 2.6 X 0.9 In and a weight of 1.2 Oz. Free travel case included to take AYO with you wherever you go! optimize your biological rhythm with the science-based technology of AYO. Jet lag prevention - overcoming jet lag has never been easier or more convenient thanks to AYO! this compact light therapy solution allows you to adapt to a new time zone 2 to 3 times faster making traveling smooth sailing from here on out. Based on your flight itinerary and user profile, the goAYO app uses proprietary algorithms to calculate the best time for you to use AYO as well as to avoid light, making international travel less stressful and more productive. Enter the blue light zone now. All natural sleep improvement light - do you ever feel the need to reset your biological clock? AYO's sleeping aid light can help you improve your sleep quality in less than 5 days! with AYO, falling asleep and waking up feeling naturally refreshed is easy. Enjoy better quality sleep benefits of this natural sleep solution without depending on sleep aids such as pills, melatonin supplements, or medicine. Feel peaceful as you drift to sleep on your own again with the AYO. Low energy support - meet AYO, a blue led light-based wearable smart technology device designed to provide short gentle blue light therapy exposure. Enhance energy levels and alertness while optimizing your natural body rhythm to your lifestyle without the need for energy drinks or caffeine pills. In as little as 20 minutes under the blue lights, you can feel energized, refreshed, and ready for that big meeting or a much deserved night out. Take charge of your natural energy with AYO.