Coral 4GB Development Board

The Google coral dev board is a single-board computer that's ideal when you need to perform fast machine learning (ML) inferencing in a small form factor. You can use the dev board to prototype your embedded system and then scale to production using the on-board coral System-on-Module (SoM) combined with your custom PCB hardware.

It offers high-speed and low-power ML inferencing (4 TOPS at 2W)
It is a complete Linux system (running Mendel, a Debian derivative)
It has USB connections
It has audio and video connections