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.
What is Gadget Flow?
Why Use Gadget Flow?
Meet the Team
Gadget Flow is headquartered in New York City, and most of our team works remotely from the US and Europe. We are tech enthusiasts who love to learn about new technologies and the latest innovations. Talented individuals who are passionate about the future, we work tirelessly and love to excite you and teach you about advancements in our field.
Join Gadget Flow Today
Explore the world of Gadget Flow so you know when any new tech launches—anywhere. Create your account using your email or any of our supported third-party logins, such as Google, Apple, and Facebook.
1
Create Wish Lists
Sign up to create private and public wish lists that you can share with family and friends. It’s also easy to organize your favorite gadgets into different collections, like gift guides, smart home products you love, and more.
2
Get Product Notifications
What do you do when you find a product that you love but aren’t ready to buy? Simply create a notification! Click the three little dots by the buy now button and select Add Reminder to get notified. Receive a reminder when it’s discounted, Black Friday, the next season, or any date you choose.
3
Discover with Watch
Now you can discover new products through our video feed. With Gadget Flow Watch, browse through your favorite categories and create playlists. Our endless selection of videos will have you discovering gadgets for hours.
See all of our features:
Collections
Create public or private collections
My Feed
Create your custom product feed
AR/VR/3D
Discover our products in VR, AR, and 3D
Exlusive Deals
New Discounts and deals, daily
Watch
Find new products through video
Brand Pages
Follow your favorite brands
Notify Me
Product reminders or sale reminders
Multiple Currencies
Browse using your local currency
Tech News
Stay updated with the latest tech news
Our Mission: Help You Find the Best Gadgets
We simplify product discovery. This means you can find all the greatest gadgets in record time. As a technology company, our mission since 2012 has been to make it easy for you to discover quality products and stay updated with the latest trends.
What Is a Gadget?
What Are the Types of Gadgets?
What Gadgets Are Trending Today?
What Are the Top New Tech Trends?
Hi, I’m Chris 👋
I’m named after Christopher Columbus — one of history’s most famous explorers. Just like he set out to discover new worlds, I’m here to help you discover new innovations.
But instead of oceans, I explore thousands of products.
Instead of maps, I use data.
And instead of ships, I use AI.
Tell me what you’re looking for — your interests, your budget, or who you’re shopping for — and I’ll guide you to the right discoveries, faster and smarter.
Let’s explore. 🚀
