**[Gearbest](http://www.passwird.com/links/qmNjJ8)** has a
Zeblaze ZeBand 4.0 Heart Rate Monitor Smart Wristband for $29.52 – $8 off with code **GBZBD** (Exp 11/30) = **$21.52** with free shipping.

* Heart rate monitor, Intelligent sleep monitor, and swimming state
* Supports Android 4.4 / iOS 8.0 and above systems