The Foondelus glasses are designed with a lightweight and durable material, offering an optimal fit that minimizes pressure on the temples for enhanced comfort. Their customization capabilities make them the perfect accessory for any occasion. DIY Customization: Colors and patterns: Choose from a variety of colors and design the patterns you desire. Editable text: Customize the text displayed on the glasses, selecting the color, background, scroll speed, and effects (such as direction and blinking). Animations and figures: Includes 22 pre-designed animations, 1 animated loop, and 20 images to choose from. Music Rhythm: The music synchronization feature automatically scans local music and other external sounds, adjusting the glasses' lighting effects to the rhythm. All edits are made through the "Shining Glasses" app, which connects via Bluetooth. Available for Android and iOS Long-lasting battery: With a built-in 700mAh battery, these glasses offer up to 5 hours of continuous use. They can be easily recharged using the included USB cable, with a full charging time of 3 hours. Package Contents: Foondelus LED Glasses USB charging cable Carrying pouch User manual  Size: 150 mm 46 mm 51 mm 24 mm 148 mm Specs: OversizedSteampunk Alloy Polycar-bonate NO UV400protection