Bose Frames Rondo Bluetooth Sunglasses (worn a couple times). The first audio sunglasses with built-in Bose speakers for an immersive audio experience unlike any other. A revolutionary personal audio experience hidden inside two classic designs, each enriched with premium accents and materials. Play music, take calls, and enjoy the sun with UVA/UVB protection. Bose Frames Rondo feature distinct rounded lenses with a smaller fit. Bose - Frames Rondo Audio Sunglasses with Bluetooth Connectivity Sunglasses enhanced with Bose sound •Feature rounded lenses for a distinct look with a smaller fit and immersive sound. Rondo One-size S/M: 51 mm - 22 mm - 135 mm (Lens width - Distance between lenses - Temple length) •Press & Turn Volume Control: With Press & Turn volume control, you can turn your volume up or down by pressing the button on your Frames & looking left or right. Your phone stays right in your pocket or bag. And you move freely throughout your day. Requires Bose Connect App 11.0. •Patented acoustic chambers and premium lenses are designed for sun and sound. •Built-in mic-Make & take clear phone calls, access Siri & Google Assistant. •Blocks up to 99% of UVA/UVB rays. •Shatter- and scratch-resistant lenses •Power on and off, accept and reject calls, play and pause music, and access Siri or Google Assistant •Stainless steel hinges finished in gold. Nylon rims •Scratch-resistant and subtly transparent.