Features:<br>Support Google- Android ADK function;<br>Androids phones supported: G1, NexusOne Nexus S, MotorolaDroid X (Mobile phone system needs to be upgraded to Android2.3.4, tablet- computer needs to be upgraded to Android3.1)<br>Provide compiled APK- installation package and ADK- source file<br>Compatible with- the following hardware: Uno328, Diecimila/Duemilanove 328, Mega 2560 (recommended-)Mega 1280<br>Enables the implementation of USB HOST function, can communicate with other USB devices, and supports USB-HUB function:Data down load,Code download<br> <br>Specifications:<br>Item:USB Host Shield<br>Supports:Google- Androids ADK & UNO MEGA Duemilanove 2560<br>Size:as pictures<br>to achieve USB HOST function, you cancommunicatewith otherUSB devices, and support USB-HUB,Data down load,Code download<br> <br>Note:<br>Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.<br>Please allow 0-2mm error due to manual measurment.<br>USB input only supports 5V, output voltage- 5V, can only be charged-, and cannot transmit data.<br> <br>Package includes:<br>1 PC USB Host Shield