Waterproof, battery-powered or rugged: How do you like your mobile?

29 February 2012 Last updated at 22:26 ET Help

There are hundreds of phones on show at the Mobile World Congress in Barcelona, but how many of them are offering something really unusual?

Rory Cellan-Jones went on the hunt for a phone that stands out from the crowd - and found waterproof handsets, one phone than runs on a single AA battery and others that do their best to be indestructible.

Produced by the BBC's John Galliver.

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