Accurate heart rate data, wherever you train. The COOSPO HW706 optical armband transmits real-time heart rate via Bluetooth 4.0 and ANT+ to your phone, bike computer, or fitness equipment — keeping you in the zone during every run, ride, or workout. At just 11.2g with a replaceable colourful strap, it’s built for serious athletes who demand precision without compromise.
Key Features
Optical HR Sensor with Self-Developed Algorithm — Precise real-time heart rate tracking from the upper arm
Bluetooth 4.0 + ANT+ Dual Transmission — Connects simultaneously to phones, bike computers, gym equipment & fitness apps
25-Hour Battery Life — 90mAh lithium battery with magnetic USB charging; outlasts even the longest training sessions
IP67 Waterproof — Fully protected against sweat, rain, and splashes
Ultra-Light 11.2g — Barely noticeable during intense workouts
Replaceable Colourful Straps — Two strap sizes included (14.9" & 13.7"); available in Black, Orange, Green & Blue
LED Status Indicator — Instant visual feedback on connection and battery
Broad Compatibility — Works with Garmin, Wahoo, Zwift, Rouvy, Trainerroad, CoospoRide & more
In the box: HW706 sensor × 1, Armband straps × 2, Magnetic USB cable × 1, User manual × 1
Frequently Asked Questions
Does it work with Garmin watches and bike computers? Yes — the HW706 transmits via ANT+ and Bluetooth 4.0, fully compatible with Garmin devices and all major fitness platforms.
Is it waterproof? Yes — IP67 rated, protected against sweat, rain, and splashes.
How long does the battery last? Up to 25 hours on a single magnetic USB charge.
Can I use it for cycling and running? Yes — the armband design works for both running and cycling, and connects to bike computers via ANT+.
What strap colours are available? Black, Orange, Green, and Blue. Two strap sizes (14.9" and 13.7") are included in the box.
Use collapsible tabs for more detailed information that will help customers make a purchasing decision.
Ex: Shipping and return policies, size guides, and other common questions.