We are Shenzhen Crystal-USB Flash Drive Manufacturing Co., Ltd based in Shenzhen , China. We are member of Tradekey.com since November, 2010. Our business is related to Electrical & Electronics Supplies industry and we specifically deal in crystal usb flash drive. Please find our product details below: Crystal usb flash drive What do we do? We do "the honest", "the truth", "the original quality inside". Use? Only plug in, no need power supply. Specifications: 1. Interface: 2.0 2. USB service volt: 4.5V-5.5V 3. Environment Temperature: 40°C - +70°C 4. Storage Temperrature: -50°C - +80°C 5. Storage Life: Above 10 years 6. Available Capacities: 2GB, 4GB, 8GB, 16GB. Advantage: Sumsung/internet chip Water-proof Shock resistance Lighting resistance Anti-magnetic Suggestion: If you are going to order USB 32GB, we suggest purchasing several 8GB or 16GB. Because the quality is more stable and the speed is faster. If you are going to order USB above 32GB, we suggest purchasing harddisk. Because no above 32 GB exists otherwise the cheating. Price 2GB 15$ 4GB 19$ 8GB 25$ 16GB 39$ usb flash drive What do we do? We do "the honest", "the truth", "the original quality inside". Use? Only plug in, no need power supply. Specifications: 1. Interface: 2.0 2. USB service volt: 4.5V-5.5V 3. Environment Temperature: 40°C - +70°C 4. Storage Temperrature: -50°C - +80°C 5. Storage Life: Above 10 years 6. Available Capacities: 2GB, 4GB, 8GB, 16GB. Advantage: Sumsung/internet chip Water-proof Shock resistance Lighting resistance Anti-magnetic Suggestions: As you are going to order USB 32GB, we suggest purchasing several 8GB or 16GB. Because the quality is more stable and the speed is faster. As you are going to order USB above 32GB, we suggest purchasing harddisk. Because no above 32 GB exists otherwise the cheating. Price 2GB 15$ 4GB 19$ 8GB 25$ 16GB 39$ holiday gift What do we do? We do "the honest", "the truth", "the original quality inside". Use? Only plug in, no need power supply. Specifications: 1. Interface: 2.0 2. USB service volt: 4.5V-5.5V 3. Environment Temperature: 40°C - +70°C 4. Storage Temperrature: -50°C - +80°C 5. Storage Life: Above 10 years 6. Available Capacities: 2GB, 4GB, 8GB, 16GB. Advantage: Sumsung/internet chip Water-proof Shock resistance Lighting resistance Anti-magnetic Stainless steal Suggestions: As you are going to order USB 32GB, we suggest purchasing several 8GB or 16GB. Because the quality is more stable and the speed is faster. As you are going to order USB above 32GB, we suggest purchasing harddisk. Because no above 32 GB exists otherwise the cheating. Price 2GB 17$ 4GB 21$ 8GB 27$ 16GB 41$ usb flash drive What do we do? We do "the honest", "the truth", "the original quality inside". Use? Only plug in, no need power supply. Specifications: 1. Interface: 2.0 2. USB service volt: 4.5V-5.5V 3. Environment Temperature: 40°C - +70°C 4. Storage Temperrature: -50°C - +80°C 5. Storage Life: Above 10 years 6. Available Capacities: 2GB, 4GB, 8GB, 16GB. Advantage: Sumsung/internet chip Water-proof Shock resistance Lighting resistance Anti-magnetic Suggestions: As you are going to order USB 32GB, we suggest purchasing several 8GB or 16GB. Because the quality is more stable and the speed is faster. As you are going to order USB above 32GB, we suggest purchasing harddisk. Because no above 32 GB exists otherwise the cheating. Price 2GB 15$ 4GB 19$ 8GB 25$ 16GB 39$ 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.