French firm Baracoda gave CES visitors a first glimpse of its ‘endless battery’ health tracker in Las Vegas. Using patent pending BMotion energy harvesting technology, BHeart can recharge itself entirely by motion, body heat and environmental light. Integrated discreetly within bracelets and watch bands BHeart is compatible with any classic timepiece. Through the power of motion, BHeart gathers enough energy to power a range of sensors that deliver health data to a smartphone app for iOS or Android devices. Sustainable leather and high-quality and lightweight alloys have been chosen for durability and its design for use with current classic watches…