- Operating Voltage: 5V
- USB Controller: MAX3421E
- Max Current: 500mA when Arduino is powered by a suitable power supply connected to the Arduino power jack or 400mA when Arduino is powered by its USB port.
- HID devices: keyboards, mice, joysticks, etc.
- Game controllers: Sony PS3, Nintendo Wii, Xbox360.
- USB to serial converters: FTDI, PL-2303, ACM, as well as certain cell phones and GPS receivers.
- ADK-capable Android phones and tables.
- Digital cameras: Canon EOS, Powershot, Nikon DSLRs and P&S, as well as generic PTP.
- Mass storage devices: USB sticks, memory card readers, external hard drives, etc.
- Bluetooth dongles.