'Vox" BD-unit Backpack Droid has had every external component painted black as night, with attempts to minimize the brightness of external lights and features. This allows this BD-unit "Survivor Edition" Backpack Droid to more easily blend into the shadows and darkness unseen.

An experimental automated repair system has been installed on this BD-unit "Survivor Edition" Backpack Droid, giving it an ability to perform or assist in the performance of self-diagnosis and self-repair of its mechanical systems. This system slows the droid while it assesses any necessary repairs when dealing with heavy damage, and can perform very basic tasks or actions while assessing necessary repairs.

A stim dispenser has been installed on 'Vox" BD-unit Backpack Droid, allowing this BD-unit "Survivor Edition" Backpack Droid to dispense different kinds of stim packs.

'Vox" BD-unit Backpack Droid has developed a personality around the concept of a caretaker. It has assumed the needs of its owner to be its prime directive, even such tasks that have not been requested of it. This results in 'Vox" BD-unit Backpack Droid often flitting about in an attempt to meet any possible task before it is necessary, including menial tasks.