These wireless sports sunglasses combine eye protection with audio entertainment, perfect for active lifestyles. Featuring integrated stereo headsets, you can enjoy your favorite music and take hands-free calls while running, cycling, or engaging in outdoor activities. The classic oversized design provides comprehensive protection for your eyes during extended time in the sun. Constructed from high-hardness PC material with durable double lenses, these sunglasses resist wear and aging even in challenging environments. The ergonomic design ensures a secure, slip- fit during movement, so they stay comfortably in place no matter how intense your workout gets. The detachable earphones and reversible lenses offer versatile usability for different outdoor settings and user preferences. With 4.0 connectivity and a transmission range of up to 33 feet, you'll enjoy seamless wireless performance. The built-in 180mAh lithium battery provides 3-5 hours of continuous talk time and charges fully in 2-3 hours via the included USB cable. Compatible with MP3, WMA, and WAV audio formats. Package includes wireless glasses, USB charging cable, user manual, cleaning cloth, and protective storage box.