The play station's new back button accessory is likely to be a wasted opportunity

The sony playstation's new back button is likely to be a wasted oppurtunity The accessory is a $30 addition to your existing controller which circles impulse-buy territory. But what does this peripheral do ? It plugs into the DualShock 4 through the 3.6mm headphone port. There is a headphone port on the back button attachment, so it will still work with headsets and PSVR straight off the bat. The integrated OLED screen sounds more spectacular than it is - just a monochrome read-out where you can tell which buttons are mapped. Press down on it to light up current settings, press it again to cycle to the next button profile (you can have up to three) and long press it to reassign keys. Why include an OLED display on this thing as if it tries to catch up with Scuff controllers or the Xbox's-well regarded, but an expensive Elite controller ? There's some method to this madness. The inclusion means that the Dual shock 4...