no they really arent nesicary for online game play unless you are serious about tactical team or squad like games
Headsets for the Xbox 360 range from $10 to $60. The cheaper versions tend to be wired and are not manufactured by Microsoft. The more expensive headsets are wireless.
nope had mine for 2 years.
Unlikely, but i do know that there is a wireless receiver for computers to pick up wireless controllers and headsets.
No, xbox 360 headset can only work with the 360.
Yes.
no
Yes
The Xbox 360 Elite System w/120GB HDD HDMI Port Wireless Controller and headset.
No, wireless items generally use low frequencies they can't harm you. That's why they don't work very well through walls
The Xbox 360 headsets are quite cheap, just buy one.
There is a wireless chip for the Xbox 360 S.
Xbox 360 adapter? You can get a Xbox 360 wireless adapter.