Thanks UD and George,
Actually UD I have my own concerns about the points you mentioned, not quiet the coughing and talking, but the actual volume changes by going in and out on the mic (that is something I also do so I don't know how it will be with a headset). The reason I thought about a headset is because with the kind of music I play, I am constantly chaning sounds, styles, fills, stop, start...(arabic music is very dynamic and variable), so without singing I still get very busy with buttons, but now I am starting to sing at thing restaurant (so I don't know if I will get fired or not lol), but anyway I thought to try a wireless. Apparently the mic's I looked at are not good, because their price range was from $90-$150, not sure if they were wiresless though. One of them I remember was the Audio Technica ATM75 ???
George I will look into those two mics u and UD mentioned and will let you know.
Thanks
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Samer