Hands-Free Lighting：Built-in COB technology delivers a powerful 1000lm bright while allowing your hands to remain for other tasks. Water Resistant Design：IPX4 rating ensures this eyeglass withstands splashes, making it ideal for night fishing and outdoor adventures. Multiple Light Modes：Features versatile lighting modes including strong and medium settings, plus a flashing option for increased visibility. Adjustable Fit：Soft headband adjusts easily to provide a comfortable and secure fit for extended wear during various activities. Long Battery Life：Built-in 800mAh charges in 5-6 hours with 3-4 hours of continuous use, for all-night outings.