4iiii Viiiiva Heart Rate Monitor components The heart rate strap is

The heart rate strap is also easy to pair with cardio devices

rainy weather

INspider has rechargeable battery with coated electronics and strong sealing for water resistance to measure power from inside the spider

When cycling

Isaac software for Mac/PC

4iiii Viiiiva Heart Rate Monitor components The heart rate strap isDelivery in 3 4 business days (Ireland, Northern Ireland) Delivery in 5 7 business days (Europe) 4iiii Viiiiva HRM ANT+ heart rate strap is a comfortable, easy to wear heart rate strap with a very high precision. Because you can bundle multiple ANT+ sensors and Bluetooth signals into a single Bluetooth signal, this heart rate strap is ideal if, for example, you use Apple TV in combination with Zwift. The 4iiiiii Heart Rate Sensor then acts as an ANT+