E10 bulb holder small
Wires are normally soldered onto the holder.
It is difficult securing the wire to it without soldering it.
E10 bulb holders start from 1.5Volt
The typical bulb found in stores range from 2.2V to 3.6V
C - Type connector
Will produce the voltage of the input connected to it. (indicated on the cell phone charger)
This is the female part of a cell phone charger (android)