Features -Dual mode Speed/ Cadence Sensor -Switch to different mode using XOSS App -Connects via Bluetooth 4.0 and ANT+ to your iPhone 7.0 and above, Android 4.3 and bike computer(like Garmin, Bryton etc.). -Compatible with XOSS/Wahoo/Zwift app -Light weight (10g) and easy to install - track the cadence and speed by earth induction, NO need MAGNETS. -Low power consumption, 400 hours working time, 1 x removable 2032 button battery. -IP67 Waterproof, enjoy your cycling every day in all weather.