1This USB flash drive is made from quality ABS material, which is no mechanical parts, antivibration, moistureproof and antielectromagnetic interference. 2Fast and easy operation, plug and play,no need drive or power supply, adopting high speed USB2.0 interface. 3The data transmission speed of this memory thumb stick is fast, which ensure reliability and provide super speed transferring. 4Suitable for digital data storing, transferring and sharing, Apply to data storage of music, photos, movies, designs, manuals, handouts ,homework etc. 5Novelty lemon design, which makes it deeply favored by art students and teachers,fit for any occasion. Item Type: USB Flash Drive Material: ABS Interface: USB2.0 Computer: Suitable For IBM/OS X/Laptop, Etc. Speed: Maximum Write Speed 20MB/S, Maximum Read Speed 40MB/S Application: Backup Music, Files, Videos, Etc. Support System: ForWindows 98/ME/2000/XP/OS X/Linux2.4.x The Displayed Capacity is Different from the Nominal Capacity Because the Calculation Method is Different: Manufacturer Standard: 1GB = 1000MB / 1MB = 1000KB Regarding Usable Capacity: Please Note the Memorandum Regarding Storage Product Capacity: 4GB = About 3.4GB-3.8GB 8GB=Approximately 7.4GB-7.6GB 16GB=Approximately 14.5GB-15.5GB 32GB=About 28GB-30GB 64GB=Approximately 58GB-60GB 128GB=Approximately 119GB-124GB 256GB=Approximately 249GB-250GB 512GB=Approximately 498GB-500GB 1 xUSB Flash Drive