We are vj industrial (hk) limited based in shen zhen , China. We are member of Tradekey.com since March, 2009. Our business is related to Computer Hardware & Software industry and we specifically deal in usb drive,comupter tools. Please find our product details below: Sell usb drive USB Flash Drive 1. Memory size: 128MB/256MB/512MB/1GB/2GB/4GB and 8GB 2. Reading speed: 11MB/s (depends on computer configuration) Writing speed: 7 MB/s (depends on computer configuration) 3. Size:20*18*7MM 4. Support: No driver required for Windows Me / 2000 / XP /MAC 5. Operation temperature: -20 ~ +70oC Storage temperature: -50 ~ +85oC 6. Packing Box: Gift Box, Paper Box, Blister Box, Tin Box and Plastic Box. Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.