From TrendHunter.com – Cool Gadgets and Gifts –Year-Long Fitness Trackers – The Garmin Vivofit 4's Always-On Color Display Last for a Year (TrendHunter.com):
(TrendHunter.com) One of the obvious potential knocks against wearable technology is battery life, but the new Garmin Vivofit 4 is the Methuselah of fitness trackers. The latest incarnation of the popular fitness…