Bose “Frames Alto” black M/L (54mm lens, 136mm temple length) classic angular shape Audio Sunglasses. Features: -Tiny, built-in Bode speakers deliver an immersive audio experience unlike any other. -you hear your music and surroundings, while those nearby hear practically nothing. -integrated microphone for clear calls and access your phone’s voice assistant. -Bluetooth connectivity. -sunglasses block up to 99% of UVA/UVB rays.