1、Easy Connection: This USB memory thumb stick can be connected with computer through USB interface, no need extra power supply. 2、Plug and Play: This USB memory thumb stick features hot swap and plug and play, saving your time and energy. 3、High Stability: This USB memory thumb stick conforms to USB2.0 standard, the stable technology ensures high speed transmission. 4、Shock Resistance: This USB memory thumb stick adopts sturdy and durable ABS material, which is shock resistance and electromagnetic immunity. 5、Strong Compatibility: This USB memory thumb stick is suitable for Win 98, for Win ME, for Win 2000, for Win XP, for OS X 9.x, for Linux2.4x. Item Type: USB Flash Drive Material: ABS Wide Compatibility: No Driver Required (For Win 98 Above), Suitable for Win 98, for Win ME, for Win 2000, for Win XP, for OS X9.x, for Linux2.4x. Interface: USB Computer: For IBM PC, for OS X Pc or Laptop, Etc. Speed: the Maximum Write Speed is 20mb/s and the Maximum Read Speed is 40mb/s Applications: Backup Files, Videos, Etc Note: Display Capacity and Nominal Capacity Are Different Because They Are Calculated Differently Manufacturer Standard: 1GB / 1000MB / 1MB = 1000KB Regarding Available Capacity: Please Note the Memo Regarding Storage Product Capacity: 4GB =Approx. 3.4GB-3.8GB 8GB=Approx. 7.4GB-7.6GB 16GB=Approx. 14.5GB-15.5GB 32GB=Approx. 28GB-30GB 64GB=Approx. 58GB-60GB 128GB=Approx. 119GB-124GB 256GB=Approx. 249GB-250GB 512GB=Approx. 498GB-500GB 512GB = 498GB - 500GB 1 x USB Flash Drive