Premium HiFi Audio Experience: Advanced speakers deliver studio-quality sound with rich bass and clear highs that set a new standard for audio eyewear Versatile Sport Design: Lightweight construction with secure fit ensures these glasses stay in place during various activities while providing all-day comfort Optical Provider Compatible: Standard Base 6 frame design allows for customization options through your local eyewear professional Clear Communication & All-Day Performance: Enjoy crystal-clear calls with advanced microphones and an 8-hour battery life that powers you from morning workouts to evening recreation. Optimized Visual Clarity: Gold mirror polarized lenses enhance contrast while reducing glare for better visibility across various sports and recreational activities Elevate your active experience with Reebok Nitrous Smart Audio Sunglasses Powered by Lucyd featuring premium gold mirror polarized lenses. These Bluetooth sport sunglasses combine sophisticated style with advanced HiFi audio technology designed and tuned in the USA for sound quality that significantly outperforms standard audio eyewear. The Base 6 frame construction is compatible with customization through your local optical provider. Perfect for golf, outdoor fitness, recreational sports, and active lifestyles. Listen to coaching cues, take calls with exceptional clarity, and enjoy your favorite music during activities all while maintaining environmental awareness essential for safety and performance.