4iiii Viiiiva Heart Rate Monitor Chest Strap
The heart rate monitor of choice for top cycling teams like Jumbo Visma, the 4iiii Viiiiva is so much more than your standard Heart Rate Monitor. Storing up to 65 hours of workout data you can be sure that your valuable data is never lost during a key training session.
It's not just a heart rate monitor: The Viiiiva can act as a ANT+-to-Bluetooth bridge to connect your ANT+ devices to a Bluetooth-only receiver such as a smartphone, tablet, or laptop. The lets you connect your ANT+ device with your favourite training software such as Zwift, TrainerRoad, TheSufferFest, Rouvy, and more.
Tap-to-pair connection lets you simply tap your iOS or Android smartphone to your Viiiiva pod to immediately connect the devices. Display compatibility gives you the freedom to use your choice of ANT+ and Bluetooth compatible displays with Viiiiva. The 4iiii app enables you to see your activity in real time, access upgrades through our web store, and transmit your activity data to other training apps or websites.
Activity logging means you can not only view your data in real time, but you can also save up to 65 hours of data on Viiiiva and transfer it to another device or application. ANT+ sensor bridge lets Viiiiva collect data from other ANT+ sensors, then transfer it via Bluetooth to your iOS or Android smartphone. Fitness equipment pairing enables you to pair Viiiiva with cardio equipment in the gym for real-time and logged data.
More than just a heart rate monitor
Viiiiva is not just one of the world's best heart rate monitors. It also acts as an ANT+ bridge and data recorder, allowing you to record from ANT+-only fitness devices, pass their data through to a Bluetooth-only device, or even leave your phone, watch or headunit at home.
ANT+ Bridging with your Viiiiva
If you have fitness devices that only supports ANT+, you can set your Viiiiva up to talk with and record from them and retransmit their data over bluetooth to your phone, computer, or other bluetooth-only device. Using the 4iiii App, you can connect to and bridge from powermeters, gym equipment, footpods, and more.
Data recording with your Viiiiva
Your Viiiiva records every second of your workout, including data from paired ANT+ devices. This lets you just get your workout in without worrying about carrying your headunit or phone, because your Viiiiva keeps your data safe, up to 65 hours of it. Set up this functionality with the 4iiii App.
4iiii Viiiiva heart rate monitors use both the ANT+ HR and Bluetooth Smart Heart Rate standards, which should make them compatible with nearly every headunit, smartphone, or computer that you wish to connect them to. Check your recording device documentation for ANT+ HR or Bluetooth Smart (also called BLE, BTLE, or BT4.0) Heart Rate Service capability.
- Data Recording: Up to 65 Hours from Viiiiva and connected devices
- Dimensions: 6.5 cm x 4.5 cm (2.55 in. x 1.77 in.)
- Strap Length: 57–132 cm (23–52 in.)
- Battery type: CR 2032
- Battery life: up to 200 hours
- Waterproof rating: IP 67 (protected from dust and 1-meter water immersion)
- Radio Protocol: ANT+ HR and Bluetooth Smart Heart Rate
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