Returns accepted. 

Specifications

• Interface: USB 2.0
• Environment Temperature: -40°C - +70°C
• Storage Temperature: -50°C - +80°C
• USB Service Voltage: 4.5V-5.5V
• (transmission speed over a certain relationship with the use of computer configuration)
• Storage Lifetime:  Use A-class chip, can be erased repeatedly for 100,0000 times
• Operating System: Win98/ME/2000/XP/ Vista/win7 /win8, Mac OS 9.X/Linux2.4 or above
• USB connection:support Hot plug & Play.
• Easy to read and read in high speed ,No need drive/power supply only plug in