Going to regret posting this as I've been after one for ages, and even though they're cheap I can't stretch to one right now. But, best price I've seen certainly on the red as I've had my eye on it for a while.
Ergonomic Design : Get to grips with an elegant, super comfortable design, while highly responsive analog sticks and buttons mean greater precision during gameplay.
SHARE Button : Use the SHARE button to upload your gameplay videos and pictures on social networks. Stream live gameplay to Twitch, YouTube and Dailymotion or edit your recorded gameplay videos and share them on Facebook and Twitter. You can also invite online friends to play your games with you, even if they don’t own them with Share Play.
Touch Pad : Guide, gesture and draw with the responsive touch pad – now restyled so you can see your light bar colour from above as you play.
Light Bar : The integrated light bar can emit various colours to personalise your experience and add a new dimension to games. It also helps the PlayStation®Camera track your controller position – allowing you to interact with your games. It also helps the PlayStation®Camera track your controller position – allowing you to interact with your virtual surroundings while using PlayStation®VR.
Built-in Speaker and Stereo Headset Jack : Enjoy extra sound effects – straight from the controller – and chat with online friends via a headset, such as the stereo headset included with the PS4™ system.
Vibration Feedback : Feel even more deeply engaged with the action as the controller shudders and shakes in your hands, thanks to intuitive vibration motors.
Remote Play : Stream your PS4™ games to a Windows®PC or Mac so you can keep on playing even when you’re away from the TV. The DUALSHOCK®4 USB wireless adaptor makes Remote Play on your computer even better, allowing you to play wirelessly.
Customised Control : Prepare your DUALSHOCK®4 wireless controller just the way you like it – set the speaker volume, disable vibrations, plus adjust the light bar brightness to conserve battery life when not required. You can also choose to communicate data via Bluetooth® or by using a USB cable connected to your PS4™.