One Device, Four Uses.
The S3+ senor is the updated version of the GEMINI 200. By reinstalling the battery, you can switch the device between speed sensor and cadence sensor modes. Supporting connection via both ANT+ and Bluetooth, S3+ is able to record data accurately, making it the best companion for a wide range of GPS computers and smartphone apps.
Size: 8.85*29.8*38.3mm
Data: Speed/Cadence
Weight: 9g(with battery)
Working Temperature: -20-50℃
Sensor: Geomagnetic sensor