Cassette Shape USB Flash Drive High-Speed 2.0 Pen Memory Stick Tape Model Design Pendrive (color: white, red, black)

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USB Pen drive
USB
USB Flash Drive
Technical parameters:
Capacity option: 512MB/1/2/4/8/16/32/64GB
Data Retention: At least 10 year, 100 thousand times Read and Write
1. Plug-and-play; No external power supply required, USB bus-powered
2. Supports multi-partition and password access
3. Supports BIOS booting as USB-ZIP or USB-HDD
4. Operating Temperature: -10° C ~ 55° C
5. Storage Temperature: -20° C ~ 55° C
6. Operating Relative Humidity: 20% ~ 90%
7. Storage Relative Humidity: 20% ~ 93%
8. Certificates: CE FCC ROHS
Customize:
1) Print Customer's logo on Usb Flash Drive.
Printing Method: Color Print, Silk Print, Laser, Press etc.
2) Make the Customer's design to be Usb Flash Drive.
3) Preload Customize's Data and make the Data cannot be deleted.
4) Do Auto-Play. Such as playing your vedio or open your website while connecting to the Computer.
5) Make Customer's Package and Lanyard.
 About Capacity:    
8GB=approximately 6.9GB-7.3GB      
16GB=approximately 14GB-15GB      
32GB=approximately 28GB-30GB
64GB=approximately 56GB-60GB
128GB=approximately 114GB-118GB
Why the USB flash drive real capacity is not correct capacity?
Flash memory vendors are using decimal arithmetic:1MB = 1000KB,1G = 1000MB 
calculated, the operating system using binary arithmetic:1MB = 1024KB,1GB = 1024MB;
So there are some differences between display capacity and nominal capacity of flash memory product.