Wireless Connect: Bluetooth 5.0 / ANT+
Sensor: Geomagnetic Sensor
Battery: 2032 Battery
Weight: 7.7g only sensor
Battery Life: 500 hours
Support Mode Switching: Re-install the Battery /Magene Utility APP Setting
Reinstall the battery until the Red light flashes to indicate the cadence mode.
Reinstall the battery until the Green light flashes to indicate the speed mode.