joycune Wireless Bike Computer with LED Bicycle Front Light Horn Bicycle Speedometer

Features:
Featuring a unique green backlight, our bicycle speedometer ensures clear data visibility day and night.
Perfect for daily cycling, this wireless bicycle computer records every moment of your ride.
Vibration alarm design. The bicycle odometer has an internal vibration sensor. Once deployed, it will alarm when touched
The wireless design eliminates handlebar clutter, requiring only a simple setup of the sensor and magnet.
4600mAh large capacity. It can be used as a power bank to charge mobile phones, tablets, and electronic devices.