Paper thin walls? No worries, microphone peripheral "Urusakunai Kara OK!" (Not Noisy Kara OK!) lets Wii owners sing their hearts in Hudson's Karaoke JOYSOUND Wii.
Thin apartment walls and concern for disturbing the neighbours is one reason why singing-based games like Karaoke JOYSOUND Wii have a hard time in Japan — not to mention prevalent karaoke parlors.
The Urusakunai Kara OK! mic isn't exactly brand new, but the Wii-USB-capabilities are. You'll be glad to know that it's possible to wash the mute mic shell out with soap and water.