Chinese smartphone maker Vivo unveiled a mixed-reality headset that resembles Apple’s Vision Pro in name, design and interface, but weighs about 35 per cent less and is likely to cost one third as much. The Vivo Vision is similar to the Apple gadget that is controlled with intuitive eye tracking and hand gestures, according to information published on Vivo’s website on Thursday. But the Vivo device weighs 398 grams, much less than its US rival, which weighs at least 600g, addressing one of the...