Projector reviews: A 4K portable and a pocket-sized device

Many projectors promise to bring the cinema to your home, but there are also some quirkier options available too.

From a projector capable of turning any surface into a tablet to a portable 4K resolution device and a projector you can fit into your pocket, the BBC Click’s Lara Lewington compares some of the latest technology on the market.

See more at Click's website and @BBCClick