USB: A serial bus standard that connects computer systems to external devices.
It is also an input/output interface specification and is widely used in information and communication products such as personal computers and mobile devices.It extends to photographic equipment, digital television Set-top boxes), game consoles and other related fields.
The latest generation is USB 3.1,the transmission speed is 10Gbit/s,three-phase voltage 5V/12V/20V, the maximum power supply 100W, the new Type C plug-in is no longer divided into positive and negative.
Mario Company Android TV Box use USB2.0 port,have 2xUSB2.0 port,3xUSB2.0 port and 4xUSB2.0 port optional.
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