The WWVB Emulator app is a game that is fun to play. You can place the internal speaker of your smartphone next to the atomic radio clock, and play with the volume as high as possible before it starts to distort.

It's a game where you will have to place your smartphone's internal speaker next to the clock's internal radio antenna, with the volume as high as possible before it starts to distort.

When the time sync receive mode is active, the clock will sync within 2 to 3 minutes.

How to use

Place the internal speaker of your smartphone next to the atomic radio clock, with the volume as high as possible before it starts to distort.