XuanWheel is an awesome product for bicycle. Your bike will become a colorful screen with the XuanWheel and XuanTail.
This App is a tool to help you play with the XuanWheel . You can not only send the picture we provide to the XuanWheel but also display the image created by your infinite imagination .
This app can also be a Monitor, it can show the speed , cadence ,heart rate, average speed ,etc.