Sandisk 4gb Sdhc Sd Memory Card with Adapter + Black USB Memory Card Reader for Canon Powershot Digital Camera This Combo Pack Includes: One Memory Card, One Memory Card Reader. Memory Card: Brand new SanDisk memory card. Type: Secure Digital (SD) card. Capacity: 4 GB Small - about the size of a postage stamp. Simple - as easy as plug-and-play. Economical - low power consumption is easy on device's batteries. Memory Card Reader: Brand new non-OEM. Simply plug in to your PC to start transferring photos, data or music. Ultra High Speed - Read: 4.3Mbps, Write: 1.3Mbps. LED indicator lights. Supports Windows XP, 2000, 98, and Mac OS 9.2