U disk explains:

Hardware: take the IBM PC USB interface and permit machine, laptop computers, with USB interface apple computer, etc
Operating system: WINDOWS98SE, WINDOWS ME, WINDOWS, WINDOWS XP and support USB MASS STORAGE, the agreement LINUX2.4. X.M AC OS9. X/MAC OS X, etc
Driver: in just under WINDOWS98SE system need to install the driver.
Power supply: USB bus power supply (4.5 V to 5.5 V)
Capacity: 16 MB / 32 MB / 64 MB / 128 MB / 256 MB / 512 MB / 1 GB / 2 GB / 4 GB / 8 GB
Host interface: Universal Serial Bus 1.1/2.0
Working current: * (50 MA
Wait state current: * (20 MA
Data storage: more than 10 years
Data read speed: 2-5 MB/SEC
Data writing speed: 13 MB/SEC
Work environment temperature:-20 'C ~ + 70' C
Storage temperature:-50 'C ~ 85' C
Operation relative humidity: 10% to 90%
Storage relative humidity: 5% to 95%

Properties and advantages:
1, capacity: 64 MB / 128 MB / 256 MB / 512 MB / 1 GB / 2 GB / 4 GB / 8 GB / 16 GB / 32 GB can be chosen.
2, storage capacity, low price, high performance/price ratio.
Three, the latest and most stable original main control chip, the product is worth trusting, through the national technical supervision inspection and Chinese quality wan lixing quality authentication.
4, high speed USB mobile storage disc, need not drive, plug and play, don't need the power supply, easy to use.
5, data storage time: 10 years, more than 1 million times, reading, speaking and writing.
6, data storage security, the magnetic, seismic, moistureproof, high and low temperature resistance, resistance to strike.
7, working temperature:-40 ℃-+ 70 ℃
8, save temperature: ℃ to + 70 ℃
9, business function and common functions two optional:
@ password library-with help you memory and management of the account password, when using automatic filling username, password, a key to achieve login.
@ take favorites-carry web site favorites, and become your carry-on "site's home".
@ take encryption area-private storage space, protect your data files, no need to worry about secrets.
@ Windows login-insert U plate to log in Windows.
@ encryption local area-allows users to use hard disk space create encryption division, this encryption partition use high strength encryption algorithm, only inserts a specified U disk and a valid PIN code, to access and use.
@ take digital certificate will be preserved in various certificate-U disk, in need of freely use certificate support occasions, such as: the bank on the net, pay treasure to digital certificate, etc.