Using the Idol Heart Incom is easy! Just put it on your head like a normal headgear. When you start speaking or singing, the microphone will light up. To play the pre - loaded songs, there's a simple button on the side. Press it and cycle through the 8 songs, including the Kimi to Idol Precure ED. For the minigames, look for the dedicated game button. Press it to start and follow the on - screen prompts. As for maintenance, keep it in a dry place when not in use. Don't expose it to extreme temperatures or rough handling. If it gets dirty, use a soft, dry cloth to gently wipe it clean. Enjoy your Idol Heart Incom!