About This Item High-Tech Outdoor Bluetooth Sunglasses: Crafted with an Acrylonitrile Butadiene Styrene (ABS) frame and Polarized Coating, these sunglasses blend style with functionality. The unique design includes built-in earphones adjustable up to 270 degrees for a comfortable fit. Each pair comes with a 6'x6' Topepop High-Quality Clean cloth for easy maintenance. Superior Sound Quality: Equipped with advanced Bluetooth 5.0 technology, these sunglasses ensure a faster and more stable signal connection and transmission. The noise-cancelling feature delivers high-quality sound performance with deep bass, even in noisy environments. Polarized Lenses for Eye Protection: The Bluetooth sunglasses feature anti-glare polarized lenses that protect your eyes from harmful rays while enhancing vision clarity. Ideal for maintaining good eye health. User-Friendly Interface: These sunglasses support music playback and automatically switch between calls and music, ensuring you enjoy your favorite tunes without missing important calls. They support both headset and hands-free profiles for your convenience. Ideal for Outdoor Activities: With polarized lenses, these sunglasses are perfect for outdoor activities like fishing, driving, skiing, and sailing. Protect your eyes from the harsh sun while enjoying crystal-clear music.