O.MG Hak5 cable programming device.

What is the O.MG cable?

The most powerful safety test cable.

And here you can buy a programmer for it.

This universal O.MG programmer works for O.MG Cable, O.MG Adapter and O.MG Plug. The programmer is required to install firmware, update firmware, recover from self-destruct, and just generally makes your O.MG device impossible to brick.