hello everybody

what's up:
----------
i just bought the official sony psp headphones with remote control. but they just don't work properbly.


my problem:
------------
if i connect them to the psp i just get the proper sound like with any other headphones. but i'm not able to actually use the remote control, it just doesn't work how it should. sometimes it response but most of the time it doesn't, or does with a very delayed response.


what i have:
------------
- silver slim & lite psp 2004 IS
- offcial sony headphones with romote control for psp-2000(there's someting written in japanese after the 2000)
- CFW 5.00 M33
- Sony Memory Stick PRO Duo 16GB

can anyody please help me?!
THX in advance for any help.
Ray :-(