Arduino USB Host Shield Max3421

Mini USB Host Shield Support Google ADK For Arduino UNO MEGA Duemilanove Expansion Module Board SPI Interface Board 
     Support the Google for Android ADK, supporting for Android phone: G1, Nexus One, Nexus S, Droid X 
       (Mobile systems need to upgrade to  for Android 2.3.4, tablet PCs need to upgrade to Android 3.1) 
    Provides APK package, and compiled source files ADK 
    Compatible with for arduino following hardware:  
        for arduino Uno 328  
        for arduino Diecimila / Duemilanove 328  
        for arduino Mega 2560 (recommended)  
        for arduino Mega 1280 
    After achieve the for arduino USB HOST function, you can communicate with other USB devices, and support USB HUB function
    Size: 38mm*18mm
    Power Supply: DC5V
    Interface: SPI