Petrol Blue 746 PhoneEmbrace the vintage interiors trend with this Petrol Blue 746 Phone with a touch of red. The iconic 1960s style telephone has been brought right up to date with push buttons and a standard socket plug, but it maintains the bold curves and mechanical bell ringer of the original design. The phone also has an earpiece volume control, a ringer volume on off switch, tone pulse switch and redial button.