With Viiiiva, you finally have the Heart Rate Monitor you've wanted all along. One that connects seamlessly to your Smartphone and all of your ANT+ devices, thanks to the Liiiink connectivity module inside. Viiiiva works with your ANT+ watch or computer (Garmin, Timex, adidas) and Bluetooth Smart enabled phone, all without awkward adapters. The Liiiink Connectivity Module inside your Viiiiva turns your Smartphone into a cycling computer or running monitor; sending all of your ANT+ data seamlessly and in real-time to the free 4iiii App or any of the popular fitness Apps. If you're a Sportiiii user, Liiiink also makes it easy to change your settings on the fly from your iPhone. Liiiink is an exclusive 4iiii Innovations feature and only available with Viiiiva.