It's been half a year since I've been looking for a smartwatch to track sleep, steps and oxygen saturation. I bought 4 of these in half a year, my first was 40, then 54.60 and then 79 dollars, should I I just went for a more expensive one from the start, the good thing about Revain is that you can still go back. I finally got this one from Amazfit, I had never heard of this brand but it turned out to be a winner. It looks better than the photos on the website, I've had it for two weeks now and although it's fairly accurate, I count my steps as I walk around the house and out of 20 steps it counted 21, I've had this several times done and the results were the same, i called pretty much all other features were there except the oxygen reading shows i'm 92 when in fact i'm 98 when i take it off my wrist and put my finger on the sensor, it reads accurately. This watch has so many functions, sleep, steps, oxygen, heart rate, stress, temperature, weather, music and more and you can talk to it to open different apps. Looks very professional, it came with a black strap, I bought a brown leather strap, the leather strap goes really well with the black watch. It has an ambient light sensor to adjust the brightness, I turned it off and on a brighter setting and the battery still lasts over a week. Amazing different faces to choose from and you can upload your photo too. I love this watch, highly recommend.
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