1. Memory size: 128MB/256MB/512MB/1GB/2GB/4GB 2. Reading speed: 11MB/s (depends on computer configuration) Writing speed: 7 MB/s (depends on computer configuration) 3. Size: 4. Support: No driver required for Windows Me / 2000 / XP systems/ Vista/Apple PC 5. Operation temperature: -20 ~ +70oC Storage temperature: -50 ~ +85oC 6. Packing Box: Gift Box, Paper Box, Blister Box, Tin Box and Plastic Box. 7. Certificates: CE/FCC/ROHS