Increase your energy and feel your best with the HumanCharger Advanced Light Stimulation Device. Exposing you to light, this incredible wearable works to improve your circadian rhythm. As a result, you become more in tune with your natural body clock, giving you more energy. In addition to helping you feel your best every day, the HumanCharger works wonders for those suffering from jet lag. It also works brilliantly to combat the effect of lack of sunlight during the winter months. Worn around the neck and in the ears, the HumanCharger works by supplementing the nourishment you get from the sun. From increased mental awareness to improving your mood, HumanCharger is also a headset. It delivers crystal clear Qualcomm aptX HD audio for all your music. Plus, it connects via Bluetooth and you can even use HumanCharger to take calls.