100% Waterproof: Marine Grade water IP-X8?? under water 3 M??Submergible Headphones& Waterproof mp3 player &Swimming Earbuds</br>High Quality Sound: Clear Stereo and Clear Bass deliver deeper?? richer sound quality.support MP3/WMA/WAV/ape/Flac/OGG formats</br>Ideal for sports and active lifestyles:Wearable and lightweight??Designed for Swimming?? Running?? Diving?? GYM?? Outwork?? Winter Sports</br>18 - 22 hours of playback when fully charged:depends on the level of volume</br>Built-in 8GB memory??Easy to add music?? the Operation is simple and convenient</br></br>Product Description</br></br>Key Features:<br> 1.Earphone:A pair of waterproof headphones(with ears hanging)??The appearance and quality of the waterproof earphone is very good.Different sizes of waterproof earpbuds is provided for various customers <br> 2.There is only one pluggable port that serves as music listening and charging. So the charging and music playing can't be do at the same time. <br> 3.Wearable:With