C61 cadence sensor helps you to find the optimal cadence, making cycling easier and training more efficient. With low-power chips, the battery life is up to 260 hours. IPX7 is waterproof and has no fear of wind and rain. Bluetooth and ANT+ dual-protocol transmission are compatible with the major brands of bike computer and mobile phone models.
Support ANT+(iGS620、iGS618、iGS50E) Android 5.0 or above, built-in Bluetooth 4.0 | iPhone 5s and iOS 9.0 or above