Viiiiva Heart Rate Monitor - 4iiii Launches New Viiiiva Heart Rate Monitor With Class‑Leading Battery Life and Comfort 4iiii has introduced the latest generation of its Viiiiva Heart Rate Monitor, delivering...

The Viiiiva Heart Rate Monitor from 4iiii has been updated and now boasts 540+ hour battery life.

The Viiiiva is positioned as the “ultimate power couple” when paired with 4iiii’s PRECISION 3+ power meters

#4iiii #viiiivahrm #heartratemonitor

cycletechreview.com/2026/news/vi...