About products and suppliers:
Alibaba.com offers 32728 health tracker products. About 80% % of these are smart watches, 11%% are smart bracelets. 

A wide variety of health tracker  options are available to you,  You can also choose from touch screen, app control and ip67 waterproof health tracker,As well as from 320x240, 128x128, and 960x640.  and whether health tracker is silica gel, rubber, or steel.