It might look just like an Apple Watch and have features similar to a Samsung Galaxy Watch, but it's actually one of the latest wearables from Chinese firm Huawei. Once strapped to wrists, the Fit 4 does everything you'd expect but at a much lower price than its rivals. It can track daily activity levels, show calories burned during exercise sessions, monitor sleep patterns and check heart rate. It even features an in-built barometer that can alert the user to sudden changes in the weather.Other useful extras include fall detection technology, which can send alerts should owners take a tumble....