BBC Click's LJ Rich looks at some of the week's best technology stories including:

Acer unveils its new gaming cockpit, the Predator Thronos, at Berlin’s Ifa technology show

Bang & Olufsen reveal a smart speaker which you can roll to control the volume

Jaguar Land Rover puts “virtual eyes” on self-driving pods as part of a trial to try to increase humans' trust in autonomous vehicles

See more at Click's website and @BBCClick.