Easy to install, consists of four groups of ultra-bright RGB LEDs , can be quickly mounted on wheels.
Support Android 4.3 and above, iphone 4s and above; Images and photos can be displayed completely on wheel via Bluetooth.
The APP can Monitor your riding speed, maximum speed and record your journey time and mileage.
Rugged,waterproof construction designed for daily use in all weather conditions.
Fits for 26 Inches Bike Wheel or Above
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