may be a problem inside the mic... the xbox mics brake what every 2-3 days? lol i mean im on my third wired mic...
more like 2-3 mins i have had 360 for 3 months and i have 4 working mics and 7 that are broke its rediculous...sounds to me like your ps3 bluetooth is finished if i were you save some money go on ebay and buy a really good one thats new for a cell phone they hold up better thast what i had and i didnt have a problem