This watch has been replaced three times. I received a refurbished replacement and then a brand new replacement. The wrist heart rate monitor is pretty bad. The wrist HR monitor combined with connect is even worse. My heart rate zones: zone 3, 142-152; zone 4, 153-152; zone 5, >153. I just caught this after the wrist HR monitor has been faulty for over 2 months. The other watches had several issues with the wrist HR monitor. Compared to taking my actual pulse, the watch was wrong by 40-50 bpm. The battery on the brand new watches do not actually hold a charge for same length of time that is displayed. The refurbished watch was supposed to have 11d battery length, but really had 6d. The most recent new watch that I have needs to be charged around 7d instead of the 11d. I do not have a ton of texts and use the watch primarily for running and other non-GPS activities. For the amount of money, short warranty, and awful features, this is not worth the purchase.
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