Compatible With The Edge 305Hr And The Edgecad Heart Beats Per Minute Wirelessly Transmitted to the Forerunner 50 Effectively Tracks and Records your Heart Rate While you Workout Provides Instant Feedback about How Hard your Heart is Working 0.35 Lbs (WxLxH) 2.5" x 3.0" x 2.74" Get a quality workout with our heart rate monitor. When worn around your chest during an activity, it wirelessly transmits your heart rate to your compatible device for instant feedback on how hard you’re working. The front part of the strap contains the heart rate module and is made of flexible plastic. The part of the strap that goes around your back is made of a soft fabric and is adjustable to your size. Use and care of the heart rate monitor is a snap. Once it's paired with your compatible device the first time, it will automatically recognize it each time. The fabric of the strap can be removed and hand-washed as often as needed. Water Resistance: 32.9 ft (10 m)* Battery: User-replaceable size CR2032 (3 volts) Battery Life: Approximately 3 years (based on average use of 1 hour per day) Operating Temperature: 14°F–122°F (-10°C–50°C)** Radio Frequency/Protocol: 2.4 GHz ANT wireless communications protocol Range: 3 m *Does not transmit heart rate data to your device while swimming. **In cold conditions, wear warm clothing to keep the heart rate monitor close to your body temperature.
I have had a chest strap monitor before (non-Garmin), and I like this one better. The solid front is comfortable and pliable, and makes for really easy cleaning after a long (sweaty) workout. The battery can be removed and replaced, when necessary - estimated to be 3 yrs. I have used this for a little over a week now, and it has paired with my Garmin VivoActive HR watch without issue, and tracks my heart rate accurately. I will be purchasing another soon for my..