Feature:1. Combining Dynamic and Stillness: Smart glasses seamlessly integrate music and exercise, allowing you to enjoy an immersive music experience while engaging in outdoor activities such as cycling and running, making your activities more enjoyable.2. UV400 Lens: Equipped with UV400 grade lenses to effectively block UV rays and prevent eye damage, ensuring your eyes are protected and allowing you to safely enjoy the sun outdoors.3. Powerful Connectivity: Featuring Bluetooth V5.0 and EDR technology with a connection range of 10 to 15 meters, enabling quick and stable connectivity to phones, computers, and other devices for playing your favorite music and taking calls.4. Intelligent Operation: Integrated with multiple smart functions, simple touch controls allow you to easily answer calls, play music, and more, providing convenience and making your life more intelligent.5. Long Lasting Battery Life: Built in 120mAh lithium ion battery can support 5 hours of talk time and 3 to 4 hours of music playback with just 1.5 to 2 hours of charging, ensuring you never run out of power even during outdoor travels.Specification:Item Type: Smart GlassesMaterial: PC, TACUV Protective Grade: UV400Connection: Bluetooth V5.0 and EDRProtocol Support: HFP, A2DP, AVRCP Connection Distance: 10 to 15M Microphone: Built in Playback Time: 3 to 4 hours Talk Time: About 5 hours Charging Time: 1.5 to 2 hours Standby Time: About 200 hours Battery Type: Built in 120mAh lithium ion Battery.Package List:1 x Smart Glasses1 x Glasses Cloth1 x Glasses Case1 x User Manual1 x Power Cable