Microsoft optical mouse - quick question

[Fluffy]

Just got one of these, 5 button type.
When I shut down red light stays on.
Its USB but I'm using the PS2 converter, it only goes off when Iswitch the PC off with the switch at the back.
Is this normal?

[scruffy]

Quick answer.

Yes.

[Fluffy]

Cheers!
and that was quick!