The spo-book DROID is housed in a rugged metal housing, available with either a 2 - or 4-core processor and is equipped with numerous interfaces. This includes, of course, USB, WIFI and HDMI, but also the opportunity to connect analog audio devices, to control devices with serial interface or to connect the DROID to a network via cable.
This expands the range of possible applications and ensures reliable connections. The operating system is current Android version 4.3, aka Jelly Bean. The internal memory has 8 GB and can be increased with an additional memory card up to 64 GB.