4iiii Viiiiva Heart Rate Monitor V-100 (ANT+)

4iiii Viiiiva Heart Rate Monitor (ANT+) Lightweight, at only 5g, and comfortable to wear, with a soft and flexible strap, the 4iiii Viiiiva Heart Rate Monitor (ANT+) uses advanced beat-to-beat measurement to measure your heart rate, any variability and gauge your activity readiness, at the highest levels of accuracy. Used by pros worldwide, the Viiiiva is ten times more sensitive and five times more responsive than most on the market. Your heart rate data can be viewed on head units and other devices in real-time, but can also be saved and transferred to another device. The Viiiiva can even collect data from other ANT+ sensors, which can then be transferred via Bluetooth to an iOS or Android smartphone, for fully integrated data recording. The tap-to-pair connection allows you to tap your smartphone to the Viiiiva pod to connect instantly. This monitor is ideal for use alongside Precision and Sportiiii coaching tools, for access to all the data you need to enhance your training. The monitor has a long battery life, a CR 2032 battery is included, which provides up to 200 hours of use.