Review: BenQ TreVolo

Introduction and featuresBluetooth speakers designed to unlock music stored on your smartphones, tablets and computers have come in all manner of weird, wonderful, and even weirder shapes over the past few years. But nothing before has looked quite like the BenQ TreVolo.The main - though certainly not the only - reason for this is that it uses, uniquely for the portable speaker market, electrostatic speakers, known more colloquially as flat panel speakers. I'll get on to the audio ramifications