USB ANT stick

•Physical size: 59 mm × 18 mm × 7 mm•Weight: 6 g

•Transmission range: Approximately 5 m

•Operating temperature: 14°F–122°F(-10°C–50°C)

•Radio frequency/protocol:

2.4 GHz / Dynastream ANT wireless communications protocol

•Power source: USB

Heart Rate Monitor

•Physical size: 34.7 cm × 3.4 cm × 1.1 cm

•Weight: 44 g

•Water Resistance: 10 m

•Transmission range: approximately 3 m

Appendix

•Battery: User-replaceable CR2032 (3 volts)

•Battery Life: approximately 3 years (1 hour per day)

•Operating temperature: 14°F–122°F(-10°C–50°C)

Note: In cold conditions, wear appropriate clothing to keep the temperature of the heart rate monitor near your body temperature.

•Radio frequency/protocol: 2.4 GHz/Dynastream ANT+Sport wireless communications protocol

Accuracy may be degraded by poor sensor contact, electrical interference, and receiver distance from the transmitter.

Forerunner 50 Owner’s Manual