4iiii Viiiiva Heart Rate Monitor captures accurate health data

Gadget Flow Editors

4iiii Viiiiva Heart Rate Monitor

The 4iiii Viiiiva Heart Rate Monitor is for athletes who want accurate, reliable data across every type of training.

  • Long Battery Life: A single CR2032 coin cell delivers 540+ hours of use. You spend more time training and less time swapping batteries.
  • IPX7 Water Resistance: Rated IPX7, the Viiiiva handles sweat, rain, and full submersion.
  • ANT+ and Bluetooth Dual Connectivity: The Viiiiva pairs with both ANT+ head units and Bluetooth apps like Zwift.
  • Wide Heart Rate Range: Tracks 30 to 240 bpm at 1 bpm resolution. You get precise readings and easy recovery rides.
  • Power Meter Pairing: Used alongside a 4iiii power meter, the Viiiiva connects your external output in watts with your internal response in bpm. This gives you a fuller picture of training efficiency and fitness progress.

The 4iiii Viiiiva is a solid, no-fuss heart rate monitor built to support smarter, data-driven training.

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