This listing is for a clear plastic external enclosure, likely for a hard drive or similar electronic component. It features a visible green circuit board with markings "MP-FBU220-924-V1.01" and "E10-70031510D3", an internal aluminum heatsink, and multiple ports including two FireWire (IEEE 1394) ports, one mini-USB port, an Ethernet port, and an audio jack. The enclosure shows minor signs of wear consistent with normal use.