COOSPO HW9 Armband Heart Rate Monitor Bluetooth 5.0 ANT+ HRM Sensor with HR Zones Calories Vibration Alert 35H Battery IP67 for Cycling Running Fitness

【Why Riders & Athletes Choose HW9】✓ ±1 BPM ACCURATE OPTICAL SENSOR — 3rd-gen optical HR technology with 6 sensing points, reliable even during high-intensity intervals✓ 5-COLOR LED HEART RATE ZONES — Instantly see your training zone (warm-up/fat burn/cardio/peak/max) at a glance, no need to look at your watch✓ SMART VIBRATION ALERT — Customizable HR threshold vibration warning, keeps you safe during intense workouts without checking the screen✓ CALORIES & HRV TRACKING — Real-time calorie burn calculation and heart rate variability data for recovery monitoring✓ 35 HOURS BATTERY LIFE — Long-lasting rechargeable lithium battery, enough for 2 weeks of daily training on one charge✓ MAGNETIC CHARGING — Easy snap-on magnetic USB cable, no fiddly pins or ports✓ BLUETOOTH 5.0 + ANT+ DUAL MODE — Works with virtually all bike computers, smartwatches, and fitness apps✓ IP67 WATERPROOF — Sweat-proof and rain-resistant, built for intense workouts and outdoor rides (not for swimming)✓ ULTRA LIGHTWEIGHT — Main unit only 10.6g, you'll forget you're wearing it✓ ADJUSTABLE ARMBAND — Fits forearm and upper arm, secure for running and cycling【Broad Compatibility】Works seamlessly with:• Bike Computers: Garmin Edge series, Wahoo ELEMNT, COOSPO CS600/BC200, Magene, CYCPLUS• Smartwatches: Garmin Forerunner/Fenix, Apple Watch (via compatible apps)• Fitness Equipment: Peloton bikes, Concept2 rowers, NordicTrack, ProForm• Training Apps: Strava, Zwift, TrainingPeaks, Polar Beat, Coosporide, HearTool, Kinomap, Rouvy• Platforms: iOS and Android via Coosporide APP【How to Use】1. Wrap the armband around your forearm or upper arm, adjust for a snug fit2. Press and hold the power button for 2 seconds to turn on3. Pair with your bike computer, watch, or app via Bluetooth or ANT+4. Start your workout — the 5-color LED shows your current heart rate zone5. Customize HR zones, vibration alerts, and LED settings via the Coosporide APP【Note】• IP67 waterproof protects against sweat and rain, but do not wear while swimming or diving• For best accuracy, wear snugly on the forearm or upper arm, avoid loose fit• Fully charge before first use• Keep the optical sensor clean and free from sweat residue for accurate readings