Train for your next race or get in shape at the gym with these Jabra Sport Coach 100-97500001-02 earbuds, which feature Bluetooth technology for wireless streaming. The in-ear coach offers workouts and the TrackFit Motion Detector monitors your activity.
I love it, they will stay in my ears while running/ jogging.. once they are fitted to your ear they will stays in till you take them out.. they are weighed just right so that it doesn't hurt you ears.. Very well balanced in my opinion.. great product for the price..