I love the design of the Watch F21. It's sleek and modern, and the screen takes up most of the front of the watch. The watch is also very user-friendly and easy to navigate.

The Watch F21 is a great watch for those who need a watch with good notification features. The watch vibrates when you receive a message or a call, and you can easily view notifications on the screen. The watch also syncs with your phone for more detailed notifications.

I'm amazed by the range of features in the Watch F21. The watch has all the basic features you need in a smartwatch, plus some advanced features like weather tracking and alarm clock. The watch is also very responsive and easy to use.