4G GPS Real Time Android Google Maps Trip Cycle Speedometer Heartrate Electric Bicycle Computer

The bicycle computer includes a code watch similar to an electronic watch, a base, sensors and magnets. The magnet is installed on the wheel axle of the pedal and the wheel axle of the tire. The sensor is installed on the front fork and cross bar with a positioner, and the spacing is adjusted so that the sensor can just sense the signal of the magnet. The speed and mileage are calculated by calculating the circumference. Wired or wireless code table can display all kinds of data. To read the heart rate, you need to wear a heart rate transmitter on your chest.