Magene S3 Speed Caddence Sensor

The new speed cadence dual-mode sensor from Maijin Technology, 

the GEMINI200 upgrade, switches between speed and cadence mode by reinstalling the battery. 

With ANT+Bluetooth dual protocol, the data is accurate and does 

not require magnet sensing. It is the best companion for GPS code and riding app.

Maijin Technology's new speed cadence dual-mode sensor, GEMINI200 upgrade models, through the reloading battery switch between speed and cadence mode, using ANT + Bluetooth dual protocol, accurate data, no magnet sensing, is GPS code table and riding APP The best companion.