Actual storage:3.2 GB to 3.8 GB Connector: USB connectorit works without driver support hot plugging. Applicable models: several kinds of PC and computers Macintosh PowerBook iMAC or ibooks. Operating system: Windows 7/95/98/95/98/XP/ME/NT vista Linux UNIX PC - DOS DR DOS Mac OS and OS / 2 etc. Electricity : USB bus power supply (4.5 V - 5.5 V) Working current: < 50 mA High-efficiency: data transfer rate is extremely high. read speed is about 10 MB/s write speed is about 3 MB/s. A compact lovable cartoon character can bring a lot of visual enjoyment for youand give you a good mood. It is also convient to carry anywhere.