When it comes to file storage, you want something as reliable as your favorite lovable robot. This metal USB flash drive features a delightful robot that just can"t wait to pull its own head off to hold your data. The robot"s head doubles as the flash drive cap, and is attached to the body via two springy "arms" so you cant"t lose it. Comes pre-formatted with the FAT32 file system - compatible with nearly all operating systems (Windows, Mac, Linux/Unix) and the Playstation 3 as well. Please note, actual storage capacity will be slightly under 4 gigabytes due to necessary format data inherent in any flash drive. Length: 7.5cm / 3in. Width: 5.5cm / 2.2 in.