bone conduction headphones bluetooth open-ear headsets earphones

it built-in memory card, which can be used as mp3 player. let you enjoy favorite music directly from the headphones when you are on the water outdoor sports, no need to carry your mobile phone. comfortable fit bone conduction headhpone allow you to experience unparalleled comfort with an open-ear design that allows all-day listening without ear fatigue. be alert to danger while enjoying sports, open ear design can make you to hear what is going on around you, keeping you connected and aware of your surroundings..syi