Smart Glasses Polarized Blue Tooth Sunglasses Built In Mic & Speakers Voice Assistant UVA Resistance Audio Sun *2PCS smart glasses features polarized full- your eyes from the sun with excellent color, clarity and contrast. you can take calls hands-,listen and speak clearly thanks to the -directional microphone built into the bezel. Changing music tracks, playing or pausing media, managing calls and activating the voice assistant function is easy with just one button, making the design of your glasses fashion and easy to use. Considering the user's long term experience, Smart Glasses are powered by a battery, which takes 2 hours to fully charge and can be used for up to 8 hours of continuous playback, which is both durable and . Smart glasses is smartly compatible with all kinds mobile phones, which makes the connection faster and more stable, so you will never worry about interruptions again! Color: as the picture shows Package weight: 80g Package weight: 80g Changing music tracks, playing or pausing media, managing calls and activating the voice assistant function is easy with just one button, making the design of your glasses fashion and easy to use. Color: as the picture shows Smart glasses is smartly compatible with all kinds mobile phones, which makes the connection faster and more stable, so you will never worry about interruptions again! Considering the user's long term experience, Smart Glasses are powered by a battery, which takes 2 hours to fully charge and can be used for up to 8 hours of continuous playback, which is both durable and .