support the for Android ADK, supporting for Android phone: G1, for One, for S, for Droid X(Mobile systems need to upgrade to for Android 2.3.4, tablet PCs need to upgrade to for Android 3.1) provides APK package, and source files ADK Compatible with for following hardware:for 328 for Diecimila / Duemilanove 328 for 2560 (recommended) for 1280 to achieve the For USB HOST function, you can communicate with other USB devices,and support USB HUB function Colour:Photo Color Material:PCB Package Contents: 1 x USB Host Shield Blue Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.