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

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.

The world’s biggest and most influential meeting for the mobile tech industry is taking place this week in Barcelona, Spain. Here's what you need to know.