4K UHD Video Quality Captures crisp 4K ultra-high definition video with rich details and vibrant colors, clearly recording every wonderful outdoor moment. Perfect for Various Outdoor Sports Suitable for running, cycling, hiking, fishing and traveling, allowing you to capture exciting moments hands-free in different outdoor scenes. Record-While-Charging Function Supports recording while charging to effectively extend shooting time, ensuring you never miss important moments during long outdoor adventures. Sweat & Water Resistant Water-resistant body design resists daily sweat, splashes and light rain, providing reliable durability for all kinds of outdoor sports use. Lightweight Sport Fit with UV Protection Ergonomic lightweight frame ensures comfortable and non-slip wearing for long periods. Lenses deliver effective UV protection to safeguard your eyes.