4iiii Viiiiva Heart Rate Monitor

By 4iiii


Reach your goals faster with accurate information about your training.  With the 4iiii Viiiiva, you finally have the heart rate monitor you've been searching for all along.

  • Built-in Liiiink technology turns your Smartphone into a running/cycling computer, sending all of your ANT+ date in real time to a plethora of fitness apps.
  • Pair with the Sportiiii training display for extreme training program customization and control.
  • Works with ANT+ devices such as Garmin, Timex, and adidas.
  • Includes a free iPhone app for ANT+ sensor management.
  • Gets over a year of battery life from one coin cell battery.