The Bell Nexus flying taxi at the 2019 CES. Paul Eisenstein/CNBC

From foldable cellphones to high tech burgers, more than 4,500 companies showcased their latest technology at CES, the world's largest consumer electronics show which took place in Las Vegas earlier this month. Even though tech behemoth Apple does not make an appearance, the trade show gives the public a glimpse at emerging tech trends for 2019 and beyond. One of the most anticipated technologies is 5G – the next generation wireless network that experts say could be as much as ten times faster than broadband.

"I see a huge quantum leap from going from 4G to 5G, much bigger than 3G to 4G. And of course, my expectation is that we are going to see so much more innovation," Verizon CEO Hans Vestberg told CNBC recently. Chris Velazco, Engadget's senior mobile editor told CNBC's "On the Money" in an interview that "2019 is going to be the year of 5G, this is going to be the first year people will actually be able to buy devices and jump on the 5G networks," he said. As a result, 5G "will have really big ramifications for the way we use our devices and the way these devices talk to each other," he added. The technology won't be for everyone, however – at least not right away. Meanwhile, Velazo admitted that 5G technology "still feels like it's a lot of talk. We don't have a great sense of how these things pan out in more concrete ways." Yet one technology that did make an impression at CES was foldable screen technology. At the event, LG showcased a 4K OLED TV that rolls up when you don't want to watch it.

But it's not just big screens: A Chinese company called Royole showed off its flexible screen technology for a smartphone/tablet called the FlexPai. This is the world's first commercially available foldable phone, and it beat Samsung and Apple to market. The company is currently taking orders: The cost? A whopping $1,318, even more than an iPhone. However you may want to hold off. Velazco had a chance to check out the device while at CES, and he admitted "they're maybe not the most polished devices." Yet he found the technology compelling. "The ability to fold out and use the phone as a tablet is frankly really powerful," he told CNBC. If you're looking to take a deeper dive into meditation, a Canadian company called Interaxon recently released the Muse 2. The headband goes across your forehead and reads brainwaves in real-time. It then uses auditory cues to provide feedback on the user's meditation state. When it comes to virtual and augmented reality (AR) technology, it usually means wearing large glasses over your eyes, blocking out the world around you. Chinese startup Nreal has plans this year to release their version called Light – which as its name suggests – is a lighter version. "They've been able to take the technology that makes some really impressive AR devices like the Microsoft HoloLens and the Magic Leap and converted it down to this form factor," Velazco told CNBC.

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