同期型ペンライト

You can use your smartphone like a penlight.It will look great if you do it with many people.

Make your smartphone screen shine like a penlight.

The color will change automatically.

At that time, it is designed so that the same color appears on multiple smartphones at the same time.

You can specify the speed at which the color changes.

Colors are selected based on the time, so if the time is incorrect, please adjust the time.