This reader is designed with a USB connector and a memory expansion slot that accepts a micro SD card reader. 

This mobile-ready reader eliminates the need to carry additional USB transfer cables and the typical wait for Bluetooth technology slow file transfers between phones and PCs. It also replaces your SD card adapter, since the microSD card fits directly into the reader. When in use, the microSD Card Reader appears as a drive letter (i.e., G:) and data transfer is as simple as drag and drop. Use the reader with a microSD card to get the storage capacity for a variety of helpful transfers, or acquire content to side load to your phone, including:
●Backing up your friends, relatives, or business contact information when you change phones  
●Moving your digital music library stored on your PC for use on your phone  
●Transferring a video composed on your camera phone to upload to a web site without using additional network minutes to move it there  
●Downloading new mobile applications on your PC for use on your phone without using network time
The reader is available in red color, black color, blue color and yellow color. With the included keychain, you can hang it from your phone for the convenient solution you need to complement your mobile lifestyle. 
Store your entire mobile life: photos, songs, text messages, video clips, personal information on a microSD card, then work with it across device platforms seamlessly with the microSD Card Reader.

Features:      
●Versatile: works with microSD  
●Compliant: with USB 2.0, SD Specification Version 2.00  
●Portable: easily fits in your pocket to take it with you  
●Easy: plug-and-play into any USB 2.0 or 1.1 port  

Specifications:      
●Dimensions: 1.29" x 0.60" x 0.30" (32.89mm x 15.3mm x 7.66mm)  
●Operating Temperature: 0° C to 60° C / 32° F to 140° F  
●Storage temperatures: -40° C to 85° C / -40° F to 185° F  

System Requirements:      
●System with USB support  
●Windows 2000 SP3 and above, WinXP SP1 and above, Windows Vista 
●Mac OS 9.x and above 
●Linux Kernel 2.4.1 above