Every men need a heart rate monitor watch when having fitness ! You will get twofold results with half the effort if you are in the right heart rate Area This heart rate watch has very good quality , it is very different from other cheap fake heart rate watch in aliexpress , the fake watch always has the wrong data to mislead you Function : 1. Heart rate show: 2. Safety Alarm : if your heart rate is above the Max heart rate your body can bear , the watch will alarm to warn you 3. Fuction like a watch 4. 50M water proof What contains ? 1. heart rate watch 2. 5.3K Hea rt rate Chest Strap 3. Original watch box , very good for gift
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