Meilan C3 Speed Cadence Sensor bluetooth 4.0 ANT+ Wiresless Frequency Rransmitter for Phone Bike Computer Cycling

Features Bluetooth 4 0BLE wireless collection speed cadence dataCan be connected to a computer or an APP that complies with the Bluetooth 4 0 standardSupport ANT protocolEasy to install and removeBuilt in replaceable button battery able to use for 9 monthsWaterproof level IPX5Package included 1 x Speed Cadence Sensor