

Soft, stretchy, washable, replaceable, and easily adjustable armbands fit everyone. Adjustable Arm Circumference18-40 cm. Three placement options: upper forearm, biceps, or triceps.

Sweatproof and Water Resistant can helps you do all kinds of indoor/outdoor sports or daily use freely, such as cycling, running, exercising, showering, washing and etc, but not swimming.

CL830 HR is a versatile high-quality optical heart rate monitor that measures heart rate from your arm or temple. It pairs seamlessly with all ANT+ or Bluetooth Smart Fitness watches or APP to give you reliable, accurate heart rate, calories data.

Before use, please tear off the protective film behind the sensor.
HRM must be worn to activate, pair, and use.
If HRM has first paired with smartphone or tablet, Fordet"/ Remove" HRM in the Bluetooth settings, and pair again through the app.
- FITCENT heart rate optical sensor transmits real-time heart rate data through Bluetooth or ANT + to heart rate receiving devices and sports & health apps - helping you to manage your workout intensity scientifically.
- Turn-on: Press FITCENT logo, the purple led will blink slowly to indicate heart rate work properly, otherwise purple led will blink quickly. If paired with app or ANT+ device successfully, the blue led will bink slowly. Please charge before use.
- CL830 Bluetooth Heart Rate Monitor Armband works great with IFIT APP, compatible with NordicTrack treadmill, Studio Bike, Smart ElliPtical and so on.
- Alert: 1. The unit will alert in vibration once heart rate changes 8 times in 1 sec if the heart rate range is 120-150.2. The unit will lert in vibration once heart rate changes 5 times in 1 sec if the heart rate range is 150-180.3. The unit will alert in vibration once heart rate changes 3 times in 1 sec if heart rate is more than 180.