This could be the world’s smallest USB Bluetooth adapter, measures only 14 x 19 x 6mm and weighs 2g. This USB-powered Bluetooth V2.0 + EDR adapter is from Brando. It allows a working range of 10 meters with 723 kbps data rate transmission. You can get one now for $24. More pictures after the jump.

[via Techeblog | Product Page]