This Chronos watch disc lets you convert any traditional watch into a smartwatch that is compatible with iPhone 5 and up, running iOs 9.0 and up. With a case size of 33mm, it is compact and easy to attach to your favorite watch. The disc is designed to work with Chronos app, which allows you to customize notification alerts, control music playback, and more. This is a perfect accessory for those who prefer the classic look of a traditional watch, but also want the convenience of a smartwatch.In addition, the Chronos watch disc is manufactured by a trusted brand, ensuring quality and durability. It is perfect for those who are always on-the-go and need to stay connected without sacrificing style. Get this Smart Disc for your traditional watch today and experience the best of both worlds!