BIKIGHT bluetooth 4.0 Bike Bicycle Computer Speed Cadence Sensor Smart Wireless

Specification Name bluetooth speed stepping deviceFunction Speed mileage calories Stepping frequencyColor blackSoftware Appbluetooth bluetooth 4 0Waterproof Anti splash splashDistance 3MEndurance 500 Hours Standby for two yearsFeature Wireless Transmission 2 4 GHzBattery Lifespan 500 hoursBattery type Button cell CR2032x1Transmission distance 3 meters proofWorking environment 10℃ 50℃ 14℉ 122℉ Package included 1x cadence magnet1x speed magnet1x battery1x zip ties1x 10mm cadence magnet pads1x 15mm cadence magnet pads1x transmitter pads