Magene S3+ Outdoor/Indoor Speed/Cadence Sensor for Cycling, Wireless Bluetooth/Ant+ Bike Computer RPM Sensor for Road Bike or Spinning Bike and Trainers Compatible with Onelap, Wahoo Fitness, Zwift

Use the Magene S3+ sensor to accurately track cycling cadence or speed in real-time. Connects to your ANT+ & Bluetooth 4.0 devices to provide key data in your favorite cycling apps. Check out the manual for helpful setup tips.
Use the Magene Utility App for initial setup. Then the S3+ is compatible with most ANT+ & Bluetooth 4.0 devices. Works with Zwift, Garmin, Bryton, iGPSPORT, Onelap, BKool, TACX, and more. Bluetooth connection works with smartphones & bike computers. Send us a message on Amazon if you'd like to confirm compatibility with your device.
Lightweight design Installs easily on your bike's crank arm or wheel hub with the included rubber-elastic rings. Connect the sensor to the crank arm for cadence tracking, or to the wheel hub for speed measurements. Note: Sensor can't be installed on the wheel of spin bikes, so speed tracking is not compatible with spinning bikes.
Sensor can be used as a cadence or speed sensor. Just reinsert the battery to quicky changes modes. The green light means speed mode, and the red indicates cadence tracking. Want to track both at once? Grab a 2 pack and record both cadence and speed.
Simultaneously record data on multiple devices with this cadence/speed sensor. Data transmits in 3 seconds to keep you informed while riding. Track all your rides with the 400-500h battery life. IP66 rating makes this sensor water and dust-proof.