USB Host Shield is an add-on board for Arduino development platform and contains all of the digital logic and analog circuitry necessary to implement a full-speed USB peripheral/host controller with your Arduino. This means you could use your Arduino to interface with and control any USB slave device - thumbdrives, digital cameras, Bluetooth dongles, keyboards, mice, joysticks, MIDI, and much more! Feature: Support 3.3V and 5V; Support Mega and Mega 2560 work with Standard variant of this shield out of the box; Support control any USB slave device