Storage capacity: 128MB 1GB 2GB 4GB 8GB 16GB 32GB 64GBInterface: USB 2.0Environment Temperature: -40°C - +70°CStorage Temperature: -50°C - +80°CUSB Service Voltage: 4.5V-5.5VStorage Lifetime: More than 10 yearsUse A-class chip, can be erased repeatedly for 100,0000 timesOperating System: Win98/ME/2000/XP/ Vista/win7 /win8, Mac OS 9.X/Linux2.4 or aboveUSB connection,support Hot plug & Play.Easy to read and read in high speed ,No need drive/power supply only plug in.Features:1. USB connection,support Hot plug & Play.2. No external power supply requird.3. Support different types of os.4. Solid State Storage, Shock proof and electromagnetic proof.5. Write/delect protection switch6. Durable data storage7. Fast speed in write/read transfer8. Hardware Requirement: PC with USB connection,Notebook,MAC9. Life:>1 million timesSpeed: High-speed read and write