Ps3 micphone? i have get a ps3 micphone it has be

i have get a ps3 micphone it has be working for about 2 weeks presently and suddleay i turn it on and i can here people and they can not hear me

Answers: cause sure you havent accadentaly pused mute on the head set.
if its bluetooth , charge it.
if its usb manufacture sure its pluged in properly.

also step through the setting up process again.