Nokia 5500 Sport mobile phone

Fit phone!

Are you fed up of missing calls while cross-training? Are you, alternatively, a lard-arse? Either way, you need this: the world's first steel-encased fitness phone.

The shock-, dust- and sweat-proof mobile is the digital equivalent of a grizzled trainer on a bike bellowing at you to eat thunder and excrete lightning. You tell it your age, height, weight, endurance level and resting heart-rate, then select an activity (running, cycling or rowing) and get fat-burnin'.

A built-in sensor generates time, distance and calorie-burn data, and a tap of the handset summons a sultry female voice to whisper your performance out loud. The nice lady also reads out any text messages, so you don't have to stop running until your lungs explode.

A single button switches you between sport, phone and music modes and it comes bundled with a 64MB microSD card (miserly) and a hands-free set (rugged, if, as always, a little naff). A bit of motivational Eye of the Tiger sounds pretty good through the headphones, which wrap securely round your ears. Like everything else about this phone, they're undeniably fit for purpose.