Rectangular Bluetooth sunglasses — Finished in High-Gloss Black, Bose Frames Tenor style flaunts a refined square frame, a distinctive keyhole bridge, and ultramodern materials. Lens Width: 55 mm ; Bridge Width: 18 mm ; Temple Length: 155 mm ; Temple Width: 143 mm Bose Open Ear audio sunglasses — Hear lifelike audio while others hear practically nothing. It’s an experience that leaves you free to engage with the world, all while discreetly listening to music. Polarized lenses — These music sunglasses include shatter- and scratch-resistant polarized lenses to reduce glare, enhance visibility, and block 99% UVA/B rays. And you can add your prescription (Rx) to your Bose sunglasses anytime..Note:If you face issue in Bluetooth connectivity please turn off the Bluetooth function for a couple of minutes, then turn it back on Improved battery life — Rechargeable bluetooth sunglasses with up to 5.5 hours of continuous listening per charge. Bose music sunglasses fully charge in 1 hour. Bluetooth sunglasses — Pair your audio sunglasses to your device to listen to your favorites and take crystal-clear calls. Reliable Bluetooth range up to 30 ft.