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.

[Details]

• 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.