Actual storage:3.2GB to 3.8GB; Connector: USB connector works without driver; Supports 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 convenient to carry anywhere.