Listen to audio without wearing headphones with the OptiShokz Revvez Bone Conduction Sunglasses. Utilizing patented bone conduction audio technology, this eyewear lets you enjoy music without affecting ambient sound awareness. Additionally, the Revvez sunglasses come with transducers that transmit audio via the cartilage behind your ear. Likewise, the audio sunglasses provide optimum volume and bass response. Complete with bendable titanium temple arms, the Revvez glasses offer a secure fit on any head. Similarly, each pair comes with three rubber nose pads to guarantee a good fit. There are currently five interchangeable lenses for you to choose from including Polarized Grey, Bright Yellow REVO Blue, Gradient Grey and Transparent. Offering six-hour battery life, the Revvez sunglasses enable you to hear what’s going on around you while listening to music.