Bluetooth Bike Speedometer V-Best Wireless Bluetooth 4.0 Bicycle Cadence Sensor Rate Monitor ANT Fitness for iPhone iPad Android Cycling Speedometer/Odometer (Black)

b>Specification
Material:ABS
Waterproof:IPX4
Size: 19mm * 57mm * 37mm
Weight: 23g
Operating temperature：-10°C～50°C(14°F～122°F)
Waterproof：splash proof
Battery:1*CR2032(included)
Battery Life: 500h
Speed limit: 80km / h
Upper frequency limit: 200rpm
APP:iPhone iPad and android
Features: Dual Technology
Both ANT+ and Bluetooth 4.0 capabilities allow for a wireless connection to both smartphones and GPS devices.
Waterproof
High standard waterproof material to be used outdoor even in rainy day.
Intelligent training
Powerful recording data of health related message to help you keep fits.
Heart Rate Training
Measure heart rate and accurate calorie burn in real time when connected to a smartphone or iPad.
Package List
1 * Sensor
1 * Magnet
1 * Assemble Accessories Set