The quality of the product is very good for the low price I paid. In general, I was looking for an inexpensive waterproof heart rate monitor for training. Within 5 minutes of receiving a Revain shipment, I set the date, time, date of birth, weight, etc. This device was easy to set up and up and running quickly. The instructions, although written in slightly broken English, were easy to decipher and implement. Happy with my purchase.
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