Exquisite and Stylish DesignHalf-frame shape, stylish appearance, photochromic lenses, and the lenses are replaceable and easy to removed. UV400 andamp; Anti-blue LightDouble protection, more intimate and safer. Indoor anti-blue light, outdoor anti-ultraviolet. Built-in Mic and SpeakersOpen ear speaker, it allows you to stay aware of your surroundings, while enjoying your music. Great for use while meeting, driving, gaming and traveling. IPX4 WaterproofIPX4 waterproof and dust-proof, free and easy to take care of. Effectively preventing the splash of domestic water and sweat. Excellent Battery Performance6h music playback, 10h answering call. Capacity 120mA, strong power, sustainable standby for a week. Convenient charging. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.