Ntendo Wii/PS3/PS2/XBOX 360 4 in 1 Wireless Karaoke Microphone Description:

Now you can dance and sing freely with this super fantastic
Wii/PS3/PS2/XBOX 360 4in1 wireless karaoke microphone meanwhile
without the limitation of cable! With Wi-Fi characteristic, make
your singing wonderful and naturally. Easy to use, just plug the
wireless receiver in the USB adapter, and plug the USB adapter
to the Wii/PS3/ console.

Ntendo Wii/PS3/PS2/XBOX 360 4 in 1 Wireless Karaoke Microphone specification:

Wireless USB Karaoke Microphone with the USB adaptor
Compatible with most of game consoles, Wii/PS3/PS2/Xbox 360
Excellent sound quality ensures you enjoy the Karaoke game fully
Can be used for Wii/PS3/PS2/Xbox 360 at the same time by pressing
on the switch, and it can also be used for the games of Rock Band,
Singstar and KonamiThe Wireless Microphone Makes you enjoy the game
and dance together

Ntendo Wii/PS3/PS2/XBOX 360 4 in 1 Wireless Karaoke Microphone Package Content:

1 x Ntendo Wii/PS3/PS2/XBOX 360 4 in 1 Wireless Karaoke Microphone