NeweggFlash offers the KEF Porsche Design SPACEONE Wireless Headphones for $149.99. Free shipping. Deal ends 6/11. Features: Whether wired or wireless, the KEF SPACE ONE Wireless headsphones give your ears comfortable listening experience while pumping out the finest nuances and actively cancelling noise. You can also turn the noise cancelling off to keep aware of the surroundings. Do you think that is all? The headphones look stunning. Its iconic design by Porsche Design gives an air of prestige.