for Orange Pi uses Allwinner H3, a high-performance A7 quad-core processor with integrated Ethernet, 100 Mbit/s onboard network port, onboard ,USB OTG supply,USB 2.0 port, etc.Easy to installSupport running Android, Ubuntu, Debian and other operating systems.Aluminum alloy passive cooling efficiency, better protection of the motherboardBlack aluminum alloy material can reduce the temperature of the for Orange Pi board in to a certain extent, the heat dissipation function is stronger.Colour:blueMaterial:PCB+Aluminum alloyPackage Contents:1x For Orange Pi Board(512MB )1x Interface Expansion Board1x Aluminum Alloy Upper Cover1x Aluminum Alloy Lower Cover1x Screw Pack3x Thermal PadOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.