A-DATA MICRO SD 2GB with Micro Reader (microSD+USB interface) World's smallest card reader, about one-third size of microSD adapter High speed data transfer, up to 12MB/sec (Depend on Flash type of memory card, OS, host device, etc.) Support microSD/ TransFlash for SD 1.1. Comply with USB 2.0 Compatible with Windows 2000/ME/XP Mac OS 9.2 or higher LED indicator for detection of card and data transfer (optional)