Listing Freely，Exercise Casually: Liszt seamlessly integrates the audio module into the temples of the glasses, delivering an exceptional audio experience without the need for headphones. This allows you to enjoy your favorite music or podcasts while staying fully aware of your surroundings, whether you're hiking, cycling, or engaging in other outdoor activities Comfortable and Stable Wearing: Liszt features a unique wrap-around curved temple design, specially crafted for sports glasses. The frames are made from ultra-lightweight TR90 material combined with skin-friendly silicone for maximum comfort. Available in two frame sizes—Regular and Mini—along with three sizes of silicone nose pads (Small, Medium, and Large), these glasses are designed to accommodate a wider range of head sizes and easily adapt to various sports activities The lenses can be replaced:In addition to standard tinted lenses, polarized and photochromic options are available to meet the needs of various activities and environments.Each lens offers full UV400 protection to shield your eyes from harmful sunlight HIFI Sound Quality:With a 16.2mm large-amplitude driver unit and dynamic bass-enhancing DSP algorithm optimization, bass is powerful and agile. The AptX-HD audio decoding format achieves high-resolution data transmission, significantly reducing distortion IP54+10Hour Battery life：With IP54 dust and water resistance, our glasses are ready for any sports environment, while the 10-hour extended battery life ensures you can effortlessly handle a full day of activity or travel This is a pair of audio glasses specially made for sports, suitable for men and women. Great gift for men women,boyfriend,husband,dad.