6400FEATURES: - Material : Aluminum Case- Suitable for computer & electronic equipment with USB port- Support Windows98SE / ME / 2000 / XP / MAC OS / Linux - Working voltage: 4.5V to 5.5 V- Storing data over 10 years- Memory Size: 128MB ~ 2GB- Plug and play PACKING INFORMATION:- Unit Size : 55x19x9.4mm - Imprint Size: 28x15mm - Packing Info: 100PCS/CTN, 27.5x21.5x21, 2.8KGS6017FEATURES: - Material : Aluminum Case- Suitable for computer & electronic equipment with USB port- Support Windows98SE / ME / 2000 / XP / MAC OS / Linux - Working voltage: 4.5V to 5.5 V- Storing data over 10 years- Memory Size: 128MB ~ 2GB- Plug and play PACKING INFORMATION:- Unit Size : 67x21.4x9.4mm - Imprint Size: 32x14mm - Packing Info: 100PCS/CTN, 27.5x21.5x21, 2.8KG 6015FEATURES: - Material : Aluminum Case- Suitable for computer & electronic equipment with USB port- Support Windows98SE / ME / 2000 / XP / MAC OS / Linux - Working voltage: 4.5V to 5.5 V- Storing data over 10 years- Memory Size: 128MB ~ 2GB- Plug and play PACKING INFORMATION:- Unit Size : 69.7x22.7x9mm- Imprint Size: 32x14mm - Packing Info:100PCS/CTN, 27.5x21.5x21, 2.8KG producing area:China