Been using an older HRM that displays on a wristwatch. Works fine. I'm also tracking gps routes on an iPhone 4, kept in my pocket for protection. This works fine as well.
However, the Siren's Song of Technology keeps whispering in my ear. I'm considering joining the modern world of integrated HRM tracking tied to gps routes (using an iPhone 5s). I realize that I'll need to see the smartphone while riding to get HRM info -- but I'm worried about breaking/ruining the phone during a crash or rainstorm.
Hmmmm... Some questions:
1. Can a bluetooth HRM strap simultaneously broadcast to BOTH a simple wrist display AND an iPhone 5s (in one's pocket)?
2. If YES, any suggestions for a simple/cheap wrist or handlebar display?
3. If NO, suggestions for a dry and rugged iPhone 5s handlebar or stem mount that doesn't rattle?
4. Having a hard time finding info on replaceable batteries (which seems key) for bluetooth HRM straps. Got a recommendation on a brand to go with?
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