PRODUCT DESIGN: USB A 2.0 Male +2 * Data/Power USB 2.0 Type A Female , support Charging & Data Sync Simultaneously,you can use one to charge your phone,and insert card reader into another one for data sharing.
QUICK APPLICATIONS: Easy Setup, Plug-and-Play ,No driver needed. Works with USB 3.0, 2.0, or 1.1 host controllers and devices on Windows, Mac, and Linux/Unix computers at USB 2.0 speeds.Data Transfer Rate up to 480Mbps.