Top for my money, I deal with them in swimming pool, they even recognize the type of swimming! They measure the level of oxygen in the blood very accurately (compared it with a pulse oximeter when I was sick with covid, the readings are identical) in short, the top for your money! Has some pros Waterproof, sleep tracking and many training modes in a budget bracelet Its cons: Perhaps not the most successful fastening of the strap to the bracelet
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