Ntendo Wii 5 in 1 2.4 G Wireless Microphone Description:

The 2.4G Wireless Microphone is compatible with
PC/PS2/PS3/WII/XBOX360 consoles, Rock Band,KONAMI
(American Idol), High School Musical ,Guitar Hero
world tour, Singstar, and BOOGIE (wii disc) and other
marjority game discs. Moreover, it also compatible
with computer to play music games and allow network
vocal conversation.

Ntendo Wii 4 in 1 2.4 G Wireless Microphone specification:

1. It's compatible with all versions of console.
2. Frequency Response Scope: 20~20000HZ
3. Signal-to-Noise Ratio : ADC/85dB; DAC/90dB
4. Dynamirange : >= 85dBA
5. Directivity: Does not have the directive property
6. Sampling Speed: 8K~48K automatic control.
7. Built-in Automatic Gain Control Electric Circuit (AGC).
8. Inductance Type MIC Sensitivity: - 60dB; Impedance: 600ohm
9. Acoustic fidelity is good and clear with accurate game sensitivity index.
10. Game Sensitivity Distance ≥6m

Ntendo Wii 4 in 1 2.4 G Wireless Microphone Package Content:

1 x Ntendo Wii 4 in 1 2.4 G Wireless Microphone