Actual storage: 3.2GB~3.8GB Connector: USB 2.0 connector it 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 (4.5~5.5V) Working current: High-efficiency: data transfer rate is extremely high. read speed is about 10 MB/s write speed is about 3MB/s. A compact lovable cartoon character can bring a lot of visual enjoyment for you and give you a good mood. It is also convenient to carry anywhere.