Lifestyle Dusk Classic Button smart sunglasses feature app-enabled and button-controlled tint-adjustable Dusk™ lenses, allowing you to instantly set the perfect tint without removing the glasses. Built with hidden speakers and microphones, they let you listen to music or take calls while staying aware of your surroundings. Polarized lenses reduce glare and enhance clarity in bright sunlight, while the ultra-lightweight, water- and sweat-resistant IPX4 frame ensures all-day comfort and durability. Combining a classic, timeless design with advanced smart functionality, these sunglasses provide optimal vision, connectivity, and style for any activity. | Chamelo | | Lifestyle Dusk Classic Button | Smart Audio Sunglasses | Electrochromic Adjustable Tint | Black frame | Smoke lenses | Best Buy