|Availability:||Ships 1-2 days|
HRM3 includes a soft strap that has been fitted with a conductive protection layer to improve accuracy of recorded heart rate and reduce noise spikes during running.
Module Dimensions: 2.4 x 1.3 x 0.4"
Strap Length: Adjustable from 21" to 29.5"
Weight: 45g (1.6oz)
Water Resistance: 98.7 feet (30 meters)
Battery: User-replaceable size CR2032 (3 volts)
Battery Life: Approximately 4.5 years (based on average use of 1 hour per day)
Operating Temperature: 23F to 122F (-5C to 50C)
Radio Frequency/Protocol: 2.4 GHz ANT wireless communications protocol
Range: 3 meters
System Compatibility: ANT+
Strap Care: Periodic washing, about every 7 uses, greatly improves product performance and durability