Specifications: Chip: Grade A, original Toshiba brand , Interface Type: USB 2.0,USB 2.0 Compatible (Backwards compatible to USB 1.1) Writing speed: 3mb/s-6mb/s Reading speed : 5mb/s-10mb/s Compatibility: Desktop, Laptop, Macintosh, Tablet, Speakers all with USB port Operating System : Windows 7/Vista/XP/2000/ME/NT/98,Linux and Mac OS Operating Temperatures : 32º F to 140º F (0º C to 60º C) Storage Temperatures: -4º F to 185º F (-20º C to 85º C) Note: All product outward appearance, the color take the material object as the picture only supply the reference.