The ultimate waterproof smartwatch available today ... Looking at accuracy, the Apple Watch is up there with the dedicated sports watches, and the swimming experience overall is strong.

One customer writes on Walmart.com, "Great features! Heart rate, blood pressure, tracks steps, stopwatch, timer, music, ...

Walmart's Mingdaln Waterproof Smart Watch with Sports Modes is on sale for $28, regularly $200. The watch has a 4.7 out of 5 star rating with more than 1,300 reviews. And 82% of the reviews are 5 ...