Bottom Line
The Polar H7 is an accurate, inexpensive wireless heart-rate monitor that reliably connects to most popular smartphones and other Bluetooth-enabled devices. Reviewers say the H7's chest strap is comfortable. It comes with a two-year warranty.
Pros
- Very accurate
- Compatible with phones, apps, gym equipment
- Battery is user-replaceable
- Strap is comfortable
Cons
- No memory
- Sometimes slow to sync with devices