The Bose Frames Rondo Audio Sunglasses in black are brand new and sealed, featuring Bluetooth and USB connectivity. These smart glasses from Bose offer a seamless audio experience while providing protection from the sun's glare. With the renowned Bose brand name, you can expect high-quality sound performance and a stylish design that seamlessly blends functionality with fashion. Perfect for those who want to enjoy music on-the-go while maintaining a sleek and sophisticated look.