Description: *Brand new and high quality *Made of high-quality materials, *Cycling cadence or speed tracking *with for CooSpo Ride APP training *support BLE and ANT+ Connectivity *support for compatible with garmin for CooSpo ，for wahoo bike computer Specification: Product: Speed sensor Size: 8.85x29.8x38.3mm Waterproof: ip54 Sensor: Geomagnetic sensor Battery: 2032 button battery Wireless interface: forBluetooth/ant+ Battery life: 400 hours How to use 1. When using speed and rhythm together, you need to buy two 2. In speed mode, you need to set the wheel size to use the app Then the speed can be displayed accurately 3. The firsttime the equipment is used, the insulation paper needs to be removed Make sure battery + up 4. Install the battery to switch the mode speed model to the rhythm model Package Includes: 1xBike Speed Cadence Sensor Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Our products are made from high-quality, durable materials at affordable prices to meet your needs. Before placing an order, please verify product size and model to ensure compatibility and avoid unnecessary inconvenience. If you encounter any problems, please contact us and we will assist you until the problem is resolved satisfactorily. We value your feedback, whether positive or negative, after receiving the product. Every customer is entitled to a free refund or exchange for products with quality or damage issues.