[Dual Protocol Speed and Cadence Sensor]: iGPSPORT bike speed and cadence sensor features Bluetooth 5.0 and ANT+ dual-protocol transmission,which are compatible with the major brands of bike computer, sport watches, mobile phone models. Also,you may use the cadence sensor on stationary spin bike elliptical trainer and other indoor sports [Accurate Data Syncing]: Inserted high sensitive sensor chip with BLE5.0 and ANT+ dual-protocol,the wireless bike computer sensor will provide the accurate,stable synchronous data in real time,worry free for the week GPS signal even you are cycling in the deep tunnel. Compatible with kinds of APP,easy to storage and analyze your cycling speed and cadence data [Long Battery Life]: The bike computer device adopts static into sleep technology,work while move,which keeps the battery work longer. With Premium CR2025 button battery and low energy chip,the battery life is up to 300 hours for cadence sensor and speed sensor. Also,it is easy to replace the battery [IPX7 Waterproof]: IPX7 waterproof test passed,which means you could enjoy the riding in the heavy rainy days with the cycling speedometer sensor Meanwhile, they passed for 1.5 meters free fall test,which reduced risk of damage [Portable Speed Cadence Sensor]: Cadence sensor,7.8g(included battery),Size:36*34*7.7 mm. Speed sensor,7.8g(included battery),Size:35.4*33*10.8mm. What is a mini cycling computer device. Please tighten the strap around the hub and hook the speed sensor. Please Tighten the strap to bypass the crank and hook the cadence sensor. Package comes with the st
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