We've rounded up the latest wearables that are packed with sensors and technology for running, swimming and exploring the great outdoors, including high-end, expensive specialist models and cheaper models for those on a tighter budget
A smartwatch or fitness watch can be an invaluable aid to getting fit and healthy. Find out what the Apple Watch 4 can offer compared to the wearables from Fossil, Garmin, Huami and Suunto that went through our latest round of testing.
A recent study by the University of British Columbia concluded that Fitbits and other fitness trackers are often highly inaccurate. That’s no surprise to Which?: our tests have exposed devices that leave you with no clear idea of how much activity you’ve done - whether that's steps taken or calories burned.