Whatelse can we do with Gigi Biru (Bluetooth)

Ok. Transfer file between phones except for maybe Iphone with another brand?
Whatelse? I've just discovered these today..maybe i am bit on the last train but u i bet there are MANY who does not know that Bluetooth can do tehse:

1. Play songs on your HP and listen to it via your laptop's speakers.
2. Call from a friend your HP and listen to your friend via your laptop's speakers.

hahah..same goes with car's audio..i've done it with the speaker in BFG and it works.

damn!

Ok. buhbye.