About heart rate weight
1370 heart rate weight products are offered for sale by suppliers on Alibaba.com, of which smart watches accounts for 10%, weighing scales accounts for 6%, and activity & fitness trackers accounts for 1%.
A wide variety of heart rate weight options are available to you, You can also choose from 1, 6 and 5 heart rate weight,as well as from weight loss heart rate weight and whether heart rate weight is plastic, abs, or tpu.