A plastic part (right) equipped with a small PCB being attached to the collar. The black part attached to the small PCB is a tact switch, which functions as the power button of the aibo.
A plastic part (right) equipped with a small PCB being attached to the collar. The black part attached to the small PCB is a tact switch, which functions as the power button of the aibo.

Assembly of 'Aibo' Robot Dog (2)