Pop'n Music Be-Mouse is shaped like a ladybug, connect it to the computer and use it both as a normal mouse and a handheld for the rhythm game. Install the game onto your computer with the CD-rom that comes with the pack, plug the mouse into the computer and launch the software whenever you feel like taking up the challenge. Lift the transparent wings at the body of the mouse to reveal the nine buttons.
The mouse is designed by fans for the fans. By calling for votes, the company let the fans decide on its appearance and colors. The twelve songs that comes initially with the software are selected through this voting system as well. To reward the gamers patience, between May 26th and June 10th players can log into the system and download ten songs for free. Together with the twelve songs, the early buyers will have a total of 22 songs to start with in their first month. From the end of June onwards, Konami will prepare 5 new songs every month for players to update their music database with so the game never gets boring.