One of the more popular features with “Elite” controllers are the extra buttons. Now, Sony is offering the same in the way of an optional Back Button attachment for DualShock 4 controllers. The Back Button attachment adds 2 programmable buttons, an OLED screen to display the button configurations, and 3 profiles. You can attach the Back Button through the headset jack and you can still connect your headset through the open port on the attachment. The attachment will cost $29.99.