UPDATE 08/18/2020:I needed a mobile head-fi rig for fitness walking/roller blading & cycling.The fitness cans had to allow me to hear upcoming traffic,barking dogs giving chase & pedestrians,be able to stand up to getting sweated on & maybe rained on & had to be made so they could be cleaned up after hard use...UPGRADED TO:LG Electronics "G8x"Audiophile smartphone..Still using,sound UNREAL driven off the LG"G8x"!
 The home system has moved WAYYY up the performance ladder with a Burson Conductor3 Performance DAC/Headphone amp,HiFiMan Sundara & Sennheiser HD800S headphones!