Polarized Sunglasses Lens: smart glasses use UV400 polarized full protective lenses to protect your eyes from sunlight with excellent color, clarity, and contrast. Built in microphone and speaker: With the M6 Pro smart glasses, you can answer calls hands-free. Thanks to the concealed omnidirectional microphone built into the frame, you can listen and speak clearly. Powerful multifunctional buttons: With just one button, you can easily change music tracks, play or pause media, manage calls, and activate voice assistant features, making your glasses stylish and easy to use. Ultra high quality battery: Considering the long-term user experience, smart glasses are powered by high-quality batteries, which only take 2 hours to fully charge and can play continuously for up to 8 hours, making them both durable and safe. Latest Bluetooth 5.3 version: LVTEL M6 Pro is intelligently compatible with various compatible with iPhone and Android phones, with faster and more stable connections, so you no longer have to worry about Bluetooth interruptions! Polarized Sunglasses Lens: smart glasses use UV400 polarized full protective lenses to protect your eyes from sunlight with excellent color, clarity, and contrast. Built in microphone and speaker: With the M6 Pro smart glasses, you can answer calls hands-free. Thanks to the concealed omnidirectional microphone built into the frame, you can listen and speak clearly. Powerful multifunctional buttons: With just one button, you can easily change music tracks, play or pause media, manage calls, and activate voice assistant features, making your glasses stylish and easy to use. Ultra high quality battery: Considering the long-term user experience, smart glasses are powered by high-quality batteries, which only take 2 hours to fully charge and can play continuously for up to 8 hours, making them both durable and safe. Latest Bluetooth 5.3 version: LVTEL M6 Pro is intelligently compatible with various compatible with iPhone and Android phones, with faster and more stable connections, so you no longer have to worry about Bluetooth interruptions!​