There's a 3.5mm headphone jack next to the power button and micro-USB port, a dedicated camera button and volume rockers on the side, and just below the screen there's the familiar Android menu, home screen, and back buttons.

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Rounding out the top of the DNA, the power button is flanked by a micro-SIM tray on the right and 3.5mm headphone jack on the left.

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The only visible components are a single capacitive button, an LED and a micro-USB charging port.

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The other side is where the power button belongs, with both the headphone and micro-USB charging port found there.

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This protrusion (which is removeable) provides access to a multi-function button, volume controls, power switch and micro-USB port for charging.

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Like the Arduino Leonardo it has a 16 MHz crystal oscillator, a micro USB connection, an ICSP header, and a reset button.

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The only other noticeable breaks from the flush metal housing are a curious division surrounding the side-mounted dedicated hardware keys (power, volume rocker and camera button) and a flimsy flap on the opposite edge that hides ports for micro-HDMI and micro-USB.

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You'll see a power button and 3.5mm headphone jack on the top, a volume rocker on the right and micro-USB charging port on the bottom.

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