Music Shield is a pair of tint-adjustable sports glasses with built-in audio, designed for cutting-edge performance and maximum focus during any workout. Featuring a lightweight build, discreet speakers for music and calls, and our patented electronic tin

Details Music Shield is a pair of tint-adjustable sports glasses with built-in audio, designed for cutting-edge performance and maximum focus during any workout. Featuring a lightweight build, discreet speakers for music and calls, and our patented electronic tint-adjustable lenses, they ensure no lapse in vision even in shifting light. Change the tint in less than 0.1 seconds-1,800x faster than photochromic glasses-using the built-in touch slider controls, or instantly adjust it with a simple slide.