Chinese electronics giant Lenovo has unveiled a phone with a built-in laser projector that can be used to display a virtual keyboard or display.
The interactive display can replicate the phone's touch screen, a full-size computer keyboard or even piano keys.
The laser projector can also be used to beam images and videos onto walls.
The Smart Cast phone was unveiled at the company's Tech World conference in Beijing, where the firm also unveiled a new type of smartwatch.
'Headline-grabbing'
The laser projector measures just 34mm by 26mm by 5mm and, said Lenovo, does not need focussing to project sharp images onto walls or other flat surfaces.
A video showing the Smart Cast in action shows how twisting the mounting for the device's lens turns it from a standard wall projector into "surface mode" that beams the display on to a table top.
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