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. English/Spanish one-touch switching
7. Screen sleep off function allows for long time bell display and ringing at any time
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. English/Spanish one-touch switching
7. Screen sleep off function allows for long time bell display and ringing at any time
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