Magene S3 + speed sensor and cadence sensor, ANT+ and Bluetooth 4.0 Wireless bike speed sensor RPM bike computer

"The delivery of the new and old versions alternates. The only difference is in how the battery is opened." "Increase cycling efficiency The Magene S3 + Dual Mode Sensor displaying and recording speed index and cadence data helps you cycle in the best condition. Much longer battery life, easy to use, stable connection, accurate data. With two sensors, you can set both sensors in different modes and charge them on the bike at the same time, so you have both cadence sensors and speed sensors" "Speed and Cadence Dual Mode Simply insert the battery back to switch between speed and cadence modes. The speed sensor is mounted on the hub of each bike, and the cadence sensor easily attaches to the crank arm of your bike and provides you with accurate data. *Note: One sensor can ONLY select one mode (speed or cadence) at the same time" "ANT+ & Bluetooth 4.0 The sensors are compatible with all devices supporting the ANT+ standard protocols, such as Garmin, Bryton, iGPSPORT, Zwift, Onelap, BKool, TACX, etc. Bluetooth works with Strava, SUUNTO sports watches, etc. It works with an iPhone, Android device, or bike computer. (Please check compatibility with your smart devices / apps before purchasing)" "Supports various devices with two protocols and long battery life The ANT+ device simultaneously records data with the sports app. Magene S3 + can connect to ANT+ bike computers, watches, and apps on your phone, so you can view and share it in different ways. 400h-500h battery life, the power-saving mode automatically activates when the sensor detects no movement for 10 seconds, and automatically wakes up and transmits data after 3 seconds of riding" "Lightweight and geomagnetic sensor Weighing only 8.8 g (with battery), it does not affect the appearance of the bike and does not increase the riding load. Simply mount it on your bike with the included rubber elastic rings (two sizes). IP66 waterproof, dustproof. Track cadence and speed through earth induction, no magnets needed"