Experience your audio like never before with the Ossii Sound Ultralight Bone Conduction Glasses. More than just a pair of specs, this eyewear uses the latest technology to deliver audio without the need for earpieces. The Ossii Glasses deliver sound by transmitting vibrations through your bone. The crystal clear sound is perfect for anything from your playlists to phone calls. Plus, you can use your Ossiis to access Siri and Google Assistant. Totally adjustable, you can position the bone conductors exactly where you need them. In addition, Ossiis are exceptional glasses. With a water-resistant design, they feature a flexible titanium frame for the perfect fit. You have the option of sunglasses or prescription lenses. You can opt for sunglasses or Carl Zeiss polarized blueblock-coated ones for inside. With a three-point locking system, you can swap out the lenses whenever you want.