Sony USB Bluetooth Adapter for XP Model Notebooks (PCGABA1/A) Compatible with VAIO notebooks (Microsoft Windows XP models only, Service Pack 1 is required) This USB adapter makes your VAIO Bluetooth enabled, and communicates to other Bluetooth devices Bundled software: BlueSpace NE (utility), Network Smart Capture Includes a plastic case When plugged into USB port, blue light on the adapter lights up