With the release of the VIRB X and XE action cams last year, Garmin finally gave consumers a reason to choose its action cam over a GoPro. But while it had built-in sensors letting users measure just how extreme their stunts were, it topped out at a disappointing 1080p . The new VIRB Ultra 30, however, boosts that recordable resolution to 4K, and it introduces voice controls. Read more...