USB Flash Drive Products Description:
<br />storage capacity: 128MB 4GB 8GB 16GB 32GB 64GB
<br />Interface: USB 2.0
<br />Environment Temperature: -40 C - +70 C
<br />Storage Temperature: -50 C - +80 C
<br />USB Service Voltage: 4.5V-5.5V
<br />Storage Lifetime: Up to 10 years or more
<br />Use A-class chip, can be erased repeatedly for 100,0000 times
<br />Operating System: Win98/ME/2000/XP/ Vista/win7 /win8, Mac OS 9.X/Linux2.4 or above
<br />USB connection,support Hot plug &amp;amp;amp;amp; Play.
<br />Easy to read and read in high speed ,No need drive/power supply only plug in.
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<br />Note:
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<br />Professional U disk shop, because computer algorithm is different from U disk capacity of the algorithm,computer algorithm 1GB=1024MB ,but U disk capacity of the algorithm 1GB=1000MB,so The actual amount of memory to 1GB (800MB to 999MB), 2GB (1.75GB to 1.9GB), 4GB (3.65GB to 3.8GB), 8GB (7.40GB to 7.55GB), 16GB (14.8GB to 15.1GB), 32GB (29.2GB to 31GB). Read and write speed :3-6m / s, read speed: 18m / s (transmission speed over a certain relationship with the use of computer configuration.) 
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<br />USB Flash Drive Package:
<br />1 X USB Flash Drive