Features:

• Brand new non-OEM
• Simply plug in to your PC to start transferring photos, data or music.
• Instantly convert your SD/MMC cards into a USB Flash Drive. Hot-Swappable, Plug and Play, USB 2.0
• Ultra High Speed - Read: 4.3Mbps, Write: 1.3Mbps. LED indicator lights
• Supports Windows XP, 2000, 98, and Mac OS 9.2 and higher. Memory card not included.

Editor Reviews:

Product Description:
This USB memory card reader is the ideal companion for your digital media. Avoid the hassle of carrying a bulky card reader in order to transfer photos, music, data and more between PCs. Compatibility with : Secure Digital: SD, SD Ultra, MiniSD with adapter, MicroSD / TransFlash with adapter. Multimedia Card: MMC, RS-MMC with adapter, MMC Plus, MMC Mobile with adapter, MMC Micro with adapter

Rating : - great product
works fine with windows XP.
might be problems with vista, if you use vista research this.

other than that, they work as expected, i have one at work, one at home, and one in my camera bag. ive used 2, 4, and 16gig SDHC cards with no trouble