±1BPM Accuracy
Works With All Apps
Stop Guessing.
Train With Medical-Grade Precision.
COOSPO HW9 armband heart rate monitor. Connect to Zwift, Peloton, Garmin, or your smartphone and get real-time data—without the discomfort of a chest strap.
$49.99
$79.99
Save 37%
- Clinical-grade accuracy: Trusted optical sensor for reliable, real-time data
- Smart LED zones: See your effort level instantly with intuitive 5-color lights
- Zero chafing: Ergonomic armband—comfortable for runs, rides, and HIIT
- All-week battery: 35 hours of use + fast USB-C charging
- Universal sync: Bluetooth 5.0 + ANT+ for Zwift, Peloton, Wahoo, Apple Watch & more
30-Day Money-Back Guarantee: Love it or your money back.
🔒 Secure Checkout • 🚚 Free US/UK Shipping • 📦 3-5 Day Delivery
100% Satisfaction Guarantee
Free returns • No questions asked
35h Battery
Fast USB-C charging
Dual Connect
Bluetooth + ANT+
IP67 Rated
Sweat & water resistant
±1 BPM
Medical-grade precision
Quick Questions?
Does it work with my Garmin / Apple Watch?
Yes! The HW9 broadcasts via Bluetooth and ANT+, compatible with Garmin, Apple Watch, Polar, Wahoo, and any app that accepts external heart rate sensors.
Is it comfortable for long runs?
Absolutely. Its ergonomic armband design with breathable, moisture-wicking fabric prevents chafing. Over 1,200 users prefer it over traditional chest straps.
What's included in the box?
COOSPO HW9 monitor, USB-C charging cable, quick start guide (English), and lifetime access to our setup video library.