4iiii

Viiiiva Heart Rate Monitor and ANT Bridge

The 4iiii Innovations Viiiiva Heart Rate Monitor and ANT bridge is trusted by professionals and weekend warriors in the peloton. With advanced measurements, the Viiiiva is a ten times more sensitive heart rate monitor over the leading competitor. In addition to industry-leading functionality, the Viiiva features innovative tap to pair functionality. Simply tap your mobile device to the Viiiva for immediate pairing. With over 200 hours of battery life on a replaceable CR2032 battery, you will hardly ever have to think about the battery. 

• Ultra comfortable, adjustable fabric strap
• 200 ours of battery life in the included CR2032 battery
• Integrates with 4iiii Powermeter
• Transfers via bluetooth to Android and iOS devices