Features of Wii Logitech Vantage USB Microphone:

High-performance microphone: Accurately reproduces the sound of your voice.
Reliable, high-quality design: Enjoy your favorite karaoke games over and over.
Designed for karaoke: Showcases your singing voice.
15-foot cable: Perform without being tied down.

View Wii Logitech Vantage USB Microphone details at Amazon

Features of Wii Karaoke Microphone:

Karaoke Microphone for Wii
2 Microphones with XLR Connection
Specifically Made for Wii Singing Games like Boogie and High School Musical
Simple Operation, Just Plug and Play
1.14 Lbs (WxLxH) 1.65″ x 1.65″ x 6.7″

View Wii Karaoke Microphone details at Amazon