Product Features:1. Plug and play hot swapping, easy to install and use.2. High speed USB2.0 compatible with USB1.1.3. Power supply by USB port directly.4. Single card reader, no USB wire required.5. Supports Windows XP, 2000, 98, and Mac OS 9.2 and higher, No driver required.Description:Item type:Card ReaderSpeed Up to 150 mb/sLED indicator lightsPackage Include:1x Card Reader1 x Manual1 x box packaging