1.[Eye Protection and Intelligent Control]smart glasses are equipped with UV400 anti-ultraviolet lenses, which can effectively filter out the harmful rays that may sting the eyes, ensuring during outdoor activities. The intelligent voice assistant enables hands- calling, music control, and navigation (compatible with Siri/Google Assistant). 2.[Long Battery Life and Stable Connection]smart sunglasses are equipped with the latest Bluetooth 5.4 connection control system. The effective connection range can reach up to 15 meters, and the connection remains stable without disconnection. They are also equipped with dual magnetic charging. It only takes 1 hour to fully charge, and the battery life can last for 4 to 6 hours, making your journey more pleasant. 3.[Touch Control and Open-ear Dual Speakers]smart polarized sunglasses are equipped with an intelligent touch control system. With a gentle touch, you can control functions such as music tracks, adjust the volume of calls, and activate the voice assistant, etc. You don't need to operate on your mobile phone, which is convenient and quick. In addition, we have equipped it with dual speakers to ensure the sound transmission (directional sound transmission). 4.[Ergonomic Design and ]smart sports sunglasses weigh only 27g. Made of flexible TR90 material and featuring an ergonomic design, they are suitable for all-day wear. They truly ensure that you won't feel any pain even after wearing them for a long time.