... free head-loop Mp3 player is especially designed for sport lovers. Incorporating the behind-the-neck, ... ears design, this headset is extremely comfortable and secure for the most users: bicyclist, runners, joggers, walkers ... .5.Automatic turn off while not under use for setting time.6.Key-press: FM, Volume+/-, ... Color to choose: Black, white, red ,blue ,green 2012 new handsfree headphone sport MP3 player