The year's biggest phone show, Mobile World Congress, often has some wild handsets -- here's the cream of the bizarre crop.

Look past the glitzy phone launches, and you'll find some truly bizarre, sometimes ingenious devices and concepts lurking in the halls of Mobile World Congress.

Lenovo’s new ThinkBook 3D Laptop Concept and Hybrid Dimensional 34-inch Curved Monitor Concept, announced at Mobile World Congress 2025, use directional backlighting and head tracking to simultaneously show 2D and 3D content without glasses. An accompanying AI Ring concept can be worn to control them with gesture-based spatial controls.

Mobile World Congress is going on this week in Barcelona, where the world will get a look at what to expect in the world of laptops, tablets, and smartphones in the year to come. As usual, there were even some exciting concepts being shown off on the showfloor that we might see made real years