1. 5 different bells can be used with simple settings
2. Can be used both indoors/outdoors
3. Can be used for walking, jogging, cycling, mountain climbing, indoor calling, and many other uses depending on ingenuity
4. Simple user interface
5. Separate settings screen
6. No advertisements displayed, allowing for a larger display area
7. English/Spanish one-touch switching
8. Screen sleep off function allows for long time bell display and ringing at any time