Mobile World Congress 2024, the world’s largest mobile trade show, showcased many forward-looking technologies.

Arjun Harpal | CNBC

Mobile World Congress, the world’s largest mobile trade show, is where device manufacturers showcase some of their latest innovations.

And there were quite a few on display in Barcelona, ​​Spain, this year.

Artificial intelligence took center stage, but there was also plenty of experimentation with different types of screens and first looks at some devices from some of the world’s biggest tech firms.

A Motorola phone that wraps around the wrist

Motorola’s “adaptive display concept” can wrap around the user’s wrist. The phone can generate a background to match what the user is wearing.

Arjun Harpal | CNBC

The smartphone with the “adaptive display concept” from the Chinese-owned brand Lenovo, has an interface that changes depending on how it bends.

It even has a feature to generate a background to match your outfit.

Lenovo transparent laptop

Lenovo’s concept laptop has a transparent screen.

Arjun Harpal | CNBC

Expandable smartphone

Tecno Phantom Ultimate has an expandable screen display.

Forget the collapsibles. According to one company, it’s now about rollers.

Tecno, a brand under Chinese firm Transsion, has unveiled the Phantom Ultimate, a phone with an expandable screen.

The screen expands horizontally after the user presses the button on the top of the device.

Humane AI Pin

Humane’s AI Pin is equipped with a voice assistant and a camera.

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OPPO augmented reality glasses

Oppo Air Glass 3 is a prototype set of augmented reality glasses with a voice assistant.


Oppo has debuted a set of augmented reality glasses it calls Air Glass 3.

The glasses are equipped with an AI assistant that you can talk to.

AR gaming headset

CNBC’s Arjun Harpal tests Tecno’s augmented reality gaming headset.

Arjun Harpal | CNBC

Tecno showed off an augmented reality glasses product with an attached video game controller.

Allows the user to play games on a large screen while wearing glasses.

The processing power of the entire system is housed in the game controller.

A Xiaomi phone that turns into a real camera

The Xiaomi 14 Ultra has a “photography kit” that can be purchased additionally to the phone.

Arjun Harpal | CNBC

Xiaomi has spent years discussing the camera capabilities of its smartphones.

This year, the company went a step further when it announced that it was selling a professional photography kit with its flagship Xiaomi 14 smartphone.

It’s a kit that attaches to your smartphone and turns it into something similar to a DSLR camera.

Samsung Galaxy Ring

Samsung showed off the Galaxy Ring at Mobile World Congress 2024 in Barcelona.

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Samsung unveiled its Galaxy Ring this week.

This is the South Korean tech giant’s first foray into smart rings.

It’s equipped with sensors that can track things like your heart rate and aspects of your sleep.

Samsung said this, combined with its smartwatch and phone, could give users some insightful health readings.

The company aims to launch it in the second half of 2024.

Robot dog

The Tecno Dynamic 1 has a design inspired by a German Shepherd, according to the Chinese company.

Arjun Harpal | CNBC

The Chinese company Tecno showed a robot dog.

Called the Tecno Dynamic 1, it has a design inspired by a German Shepherd, according to the company.

In a demonstration, the dog dances to the beat, hops around and shakes hands with a human.

Other companies like Xiaomi are also developing robot dogs.

Xiaomi SU7

Xiaomi SU7 on display at Mobile World Congress 2024

Arjun Harpal | CNBC