Crafted with Zinc Alloy, utilizing IML injection molding, ensuring durability and a sleek finish. Strap made of Liquid Silicone offers flexibility and comfort. Bluetooth 5.2 ensures enhanced connectivity and energy efficiency. Compatible with Android 5.0/iOS 10, maximizing usability. Zinc Alloy body and IML process provide durability and vibrant design options. Seamless user experience for fitness tracking, notifications, and smartphone control.