Bluetooth sunglasses are eyewear with built-in audio. They have tiny embedded speakers that fire audio into your ears, and they pair to your smartphone over a wireless bluetooth connection. Some pairs even have a microphone for phone calls. High-performance sport sunglasses engineered with high-quality sound that's louder and deeper than all other audio sunglasses.

Sunglasses or sun glasses (informally called shades or sunnies; more names below) are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or discomforting the eyes.