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You can have up to four Xbox 360 Wireless Microphones connected to a console at any one time, depending on your configuration and game support. Each connected microphone will be assigned to a quadrant on the circle of lights that surround the power button on the front of the console. Note that the quadrant will only light up if you also have a controller connected to the console.
The Xbox 360 Wireless Microphone features the freedom to perform without being tied down to cables. High performance to super-star your voice. The coolest design with glamorous lights and motion sensors. It fully supports Band Hero, The Beatles: Rock Band, Guitar Hero 5, Lips, LEGO Rock Band, and much more!