Terrestrial magnetic field sensor
It can locate the motion controller in 3D space.
The PlayStation Eye camera visually recognizes the X/Y position as well as the relative size of the glowing orb on the motion controller to pinpoint the controller’s location.
It has 9 input buttons:
4 x control buttons (O, ☐, ∆, X),
1 x standard start
1 x select buttons on the side,
1 x standard PS button,
1 x trigger button,
1 x large Move button.
The lithium-ion battery is charged via a USB Mini-B controller port located on the bottom of the controller