AI glasses that translate in real time? Flying cars? Smart robots that keep you company and look after your health? This year's Hainan Expo tech section is serving up a whole wave of next-level AI wearables. All the top domestic smart glasses brands have gathered, with over a dozen of the latest models competing side by side. Join CGTN's Olivia He on a tour to check out how these once far-fetched future technologies are turning into smart wearables you can actually try for yourself today.