C3 Bicycle Wireless Speed and Cadence Sensor, Bluetooth 4.0

MEILAN C3 Bicycle Wireless Speed and Cadence Sensor, Bluetooth 4.0, for Bike Computer and Apps, Waterproof,Can be Replace Battery 1,Basic on bluetooth BLE4.0 technology;collect bike speed and cadence at the same time; 2,It can be connected with a bike computer or APP that conforms to the Bluetooth 4.0 standard; 3,Very easy to install, mini body; Merchanically physical measurement, High precision. NOTICE: Please make sure the gap between the Sensor and Magnet not exceed 2cm. There are 2 small triangle on the Sensor, please make sure the Triangle facing the center of Cadence magnet and Speed magnet. 4,Battery: CR2032 can be replace; can be used more than 9 months. If you have any questions, please contact us and Meilan always here to help you solve your problems quickly and accurately, offer you excellent customer services. 5, Suitable for Meilan M4 （two bikes function) and other APPS/Bike computers （use bluetooth standard protocol).If you buy C3, can provide speed&cadence 2 functions in the same time. Product Description NOTES FOR USE: MEILAN C3 Speed & cadence sensor only support Bluetooth BLE4.0 connection. -Q:Why is your data unchanged? A: 1. The sensor is not paired successfully with the device. Please reset the device and then pair the sensor again. 2. The distance between magnet and the sensor is not correct, and the distance between them cannot exceed 2CM. If it exceeds, the device may not be able to obtain the rotation signal. -Q: Why is your data unstable and will become 0 at high speed? A: 1. If the sensor and magnet are not installed correctly, the data will become unstable and the data will become 0. 2. Please adjust the position between the magnet and the sensor. ( -a. The center of cadence and wheel magnet must be aligned with the corresponding triangle symbol of the sensor; -b. The distance between the magnet and the sensor cannot exceed 2CM. If it exceeds, the device may not be able to obtain the rotation signal.) -If you have any questions during the installation or use, please visit MEILAN OUTDOOR YOUTUBE or FACEBOOK for solutions, or contact via "ask a question". New and old version packaging were random Delivered from Amazon warehouse. WIRELESS CONTACT: Contact Wireless via Bluetooth 4.0, send data to third party APPs, it support: Cateye Cycling, Wahoo Fitness, Zwift, Samsung Health(only Samsung smartphone), etc. Using replaceable batteries The built-in replaceable coin cell CR2032 can be used for 6-9 months. The battery can be easily replaced with a single coin. When use, you must turn the wheel to wake up the device. If you do not use the device for more than 3 minutes, it will automatically enter into the sleep mode. When the displayed data is interrupted / continued now and then, or when your mobile phone Bluetooth turned on, you can not detect MEILAN-SPD sensor, you may need to replace with a new battery. Unsuitable installation notice Suitable for most bicycle and frame sizes. C3 is NOT suitable for some bikes: some bikes have a large flat-fork span, most indoor sports bikes and spin bike.     Suitable for Meilan M4 （two bikes function) . Easy to install, mini body Merchanically physical measurement, High precision NOTICE: 1, Please make sure the gap between the Sensor and Magnet not exceed 2cm. 2, There are 2 small triangle on the Sensor, please make sure the Triangle facing the center of Cadence magnet and Speed magnet. If you buy C3, can provide Speed&Cadence data in the same time. Package Include: Wireless speed/ cadence sensor*1 Wheel magnet*1 Pedal magnet*1