Most helpful critical review
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The transmitter itself is very small (about an inch and a bit long) and easily losable when detached from the strap (which it ha
on 21 July 2014
The H1 Heart Rate Sensor I found to be functional and the battery life reasonable if the sensor is removed after each session - there is no on off broadcast button so it should be removed to save the battery...
Note on Polar HR watches:
Understandably Polar watches use polar encoded signals meaning that only polar transmitters can be used.
The transmitter itself is very small (about an inch and a bit long) and easily losable when detached from the strap (which it has to be between sessions to save draining the battery).
As a result, if the small transmitter for your Polar HR watch is lost you have to pay almost as much as the watch originally cost (with transmitter) to regain its functionality, just for this tiny little sensor/transmitter. This leaves a bit of a sour taste in the mouth as the transmitter, by design, is very easily lost when detaching it in-between training to protect the battery....