The most significant feature of the £69.99 (inc. VAT) Garmin Vivofit 4 is probably the year-long battery life from its user-replaceable SR43 batteries. This means there's no need to carry a charge ...

Most activity trackers that last a day or two end up in a drawer so providing a tracker that lasts up to a year alleviates a major pain point. The new Garmin Vivofit 4 never needs to be charged and ...

Ryan is a tech/science writer, skeptic, lover of all things electronic, and Android fan. In his spare time he reads golden-age sci-fi and sleeps, but rarely at the same time. His wife tolerates him as ...

Garmin just released a slimmer daily activity tracker that replaces vivofit 3. The new $80 vivofit 4 is ready to go right out of the box and designed for 24/7 wearability. It is swim- and shower-safe ...

Garmin and Fitbit have been going at it for years. Both companies offer a compelling array of products complete with high-end smartwatches. But it’s the fight for the low-end that’s compelling and ...