- 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.