Lightweight Glasses With Blue Light Protection Wireless Bluetooth 5.3 Headset Function Built-in Music And Speakers Support For Navigation And Voice Features: Bluetooth 5.3 Plus: It is equipped with Bluetooth 5.3 version, which can be worn while traveling, playing the beach, driving, cycling, or doing homework. It can listen to music, make phone calls, and perform voice navigation. Fast charging design: Equipped with motherboards and interfaces, supporting magnetic charging. Just charge for 2 hours and you can listen to music continuously for at least 8 hours. Ultimate lightweight experience: With a weight of 27 grams, it feels very lightweight even if worn for a long, almost negligible in its , giving people a burden wearing experience. Excellent performance: With an IPX5 rating, whether in a water or surfing the sea, you don't have to worry about being damaged by splashing water, and enjoy water activities to the fullest. Multiple advantages of eye protection: The lens has blue light function, which can be worn when reading or working in front of the computer, effectively eye damage from blue light; Moreover, the can bring surround sound effects from both sides of the mirror legs, which is more convenient to control through Bluetooth compared to a . Product details: Name: Smart Bluetooth Glasses Material: Plastic and Electronic Components Weight: 85g Size: 5.71 * 1.75 inches Packing list: 1x glasses 1x charging cable notes: 1. The size is measured by hand, there is a slight error of 1-3cm, please refer to the actual product 2. Please reconfirm the desired color and style before purchasing. 3. Your sharing and feedback are welcome so that we can provide you with better products and services.