Studio-Quality HiFi Sound: Experience audio performance that surpasses conventional audio eyewear with precision-tuned speakers delivering rich bass and crystal-clear sound Designed for Active Movement: Secure, comfortable fit that stays in place during diverse activities from high-intensity training and running to recreational sports Seamless Activity Communication: Take calls from training partners or receive notifications without interrupting your workout flow—ideal for connected athletes All-Day Active Ready: 8-hour battery life supports your longest training days, from morning workouts to evening activities Performance Visibility: Berry mirror polarized lenses reduce glare while providing stylish sun protection during outdoor sports and recreation The Reebok Powered by Lucyd Flash Smart Sunglasses transform your active experience with style and technology. Featuring vibrant berry mirror polarized lenses, these Bluetooth sport sunglasses deliver premium HiFi audio that outperforms standard audio eyewear with richer sound and better clarity. The USA-tuned sound system provides an immersive experience for running, fitness classes, cycling, or any activity requiring music motivation while maintaining awareness of your surroundings. The lightweight, secure-fit design ensures comfort during high-impact activities, while touch controls allow easy management of music and calls without breaking your stride