Discover the ultimate gadget that allows you to stream music, listen to navigation directions and make hands-free calls: these fantastic redtooth sunglasses! With these great glasses you can not only enjoy your favorite music, but also make phone calls effortlessly without using your hands. The sound is just above your ear. This means you can still hear the traffic around you clearly while cycling. This is different when you have earphones in your ears. It has a playtime of up to 6 hours, so you don't have to worry about running out of music. Moreover, you can call undisturbed for up to 5 hours. With a standby time of 200 hours, you don't have to constantly charge. And the best news is that it can be fully charged in just 1.5 - 2 hours with the included USB-C cable. With a lightweight of only 31 grams, the sunglasses do not feel heavier than normal sunglasses.