The Micro Vault USB 2.0 Flash Drive has a Piano black body. It creates a stylish impression. It is suitable for a wide range of applications. It is easy - the device can be recognized automatically when you connect it to a USB port, which is equipped with most PCs. Power will be supplied through USB port, so you do not need an AC adaptor. Micro Vault Virtual Expander is Sony's unique file compression software. It is pre-installed on the device for ease of use. Micro Vault Virtual Expander will compress your data to virtually store about 3 times as much data!