Description:Overview:Support the Google Android ADK, supporting Android phone: G1, Nexus One, Nexus S, Droid X (Mobile systems need to upgrade to Android 2.3.4, tablet PCs need to upgrade to Android 3.1)Provides APK package, and compiled source files ADKAfter achieve the Ard uino USB HOST function, you can communicate with other USB devices, and support USB HUB functionSize: 38mm*18mmPower Supply: DC3.3VInterface: SPICompatible with Ard uino following hardware:Ard uino 328Ard uino Diecimila / Duemilanove 328Ard uino Mega 2560 (recommended)Ard uino Mega 1280color: blue material: plasticPackage Contents:1* 2.0 ADK Mini USB Host Shield SLR Development ToolOnly the above package content, other products are not included.Note: Light 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.