11 kinds of reliable features that smart watches should have

1. Keep smart watch properties
2. Intelligent notification function
3. Less is more
4. Do not equip the camera
5. Compatible with more products as much as possible
6. Keep wearing comfort
7. Maximize your fitness
8. Smart connection form
9. Enhance Google Now/Siri voice
10. Reasonable battery life and price
11. Don't rush into the market