This is the only shoe Ive ever bought twice. por favo busco como loco la ranura SD, pues sino la trae este elefono es inutil para lo que cuesta. Super easy to use (although require 2 hands), its large enough that there is no too much stress on it when using large phones, makes it last much longer. The HD1 has a similar sound profile to my Audio-Technica M30x studio monitor headphones, but with more low-end before equalizer adjustments. After all, we use earphone to listen to music, a podcast, or an audiobook when you run so, it sounds perfectly fine. It firmly holds the bicycle from being damaged, and keeps it from vibration damage often encountered with hitch-rack systems. Something to note, the volume buttons control the headset volume itself, they do not control the phone volume. On my bigger foot there is a good inch between my heel and the slipper. Yay Teva! Setup is very simple.