Bests & Worsts Reviews from Amazon

Pros: * It was recognized by a lot of devices: iPhone6 (via bluetooth, works with Wahoo Fitness, MapMyRide, Strava...), Garmin Forerunner 910XT Tri Bundle Black, One Size (via ANT+). * It came with FOUR bands, one short and one long black and one short and one long blue (I bought it blue). The bands can be adjusted by Velcro. * I did a 10K run and it did not move and it was very comfortable. * It is pretty light (22 g). * I compared the readings against a Garmin chest strap, a stethoscope and an Omron blood pressure monitor. The readings were pretty similar. * It is easy to turn on/off (gotta read the manual !). * The band is elastic. Cons: * It is water RESISTANT (NOT water proof) (1 meter/30 min), so I would not swim/dive with this thing on. * The band does not dry very fast. Other Thoughts: * It uses very bright green LEDs, which bombard your skin using a very high rate, so I am not sure if long exposure to this will cause skin problems. I hope this was tested for several months/years. * It is rechargeable, let's see how long the charge will last and if the battery can be replaced. Update: * I have used it a couple of times now. The band is still an issue, despite of being comfortable, it gets soaked with sweat and becomes annoying. Also, it takes forever to dry when you wash it. Update: I am now removing two stars. I have been using it a lot and here are the problems: - Usually when I run more than 4 miles and it is warm the wrist band accumulates enough sweat that make it loose and it starts to slide down in my arm. Very annoying! - To put this thing on while wearing long sleeves is a bit challenging. - Lately it is giving me much higher heart ratings, I am not sure if it is because of the mix sun scream/sweat, the battery or a mix of all. The fact is, it is not as reliable as before. You might think that my heart rate is really higher, however how do you explain to switch from one arm to the other and have a huge difference (like 40 beats less)? - Every now and then it turns itself off (during a competition/training) and when I turn it back on the readings are completely off.I try to charge it after two usages, max, so it should have plenty of charge. Update (04/May/2016): I guess I finally figured out why it was not giving me the right heart rate, one of the green LEDs is not working anymore. It lasted less than 6 months. There goes another star... Update (14/May/2016): It turns out that Scosche has lifetime warranty (first owner), so I paid around US$ 7.00 to send the unit back for repair and I got it back today. Despite of not getting any updates during this time, I got a functional unit back (I am not sure if it is new or not). I will put one star back for the lifetime warranty! Hopefully this one will last more than 6 months. Update (10/Sep/2018): Since 26/Jun/2017, when I got a Garmin Forerunner 935, I have been using this heart monitor exclusively for bicycle rides. I like to use the Wahoo App on my iPhone to monitor cadence/speed/time and heart rate and the Garmin chest strap will not connect to the iPhone, so I have to use this one. Ever since they replaced this unit (back in 14/May/2016) I have not had any problem, so I am putting back one star. I also was able to connect it to the Garmin Forerunner 935.