The Wahoo Key connects your iPhone to any ANT+ fitness sensor such as heart rate monitors, cycling speed & cadence sensors and power meters.
- Wireless ANT+ AP2 ultra low power technology license free, 2.4 GHz ISM band operation
- Weight: 3.5 grams (0.12 ounces)
- Color: Black
- Signal Strength: Up to 10 feet unobstructed
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