●The Mic Outer Case Is Alloy Material Which Is Harder, Lighter And More Wear-Resistant. Quick Troubleshooting: ● sure you have enough power for the mic and receiver. ● you find no sound from the mic, you need to off the receiver and Open the mic battery Press and hold the mic(HI LO)button for 10s+ until the display channel Quick turn on receiver, wait for the mic channel display to stop flashing, and the blue light of the receiver is always on, ready to use.
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