They fit very well, are comfortable (but do require some time to break-in as with many new boots or shoes). Would never trust them to hold a bike mount. casio f91w Bluetooth pairing is easy; just remember to hold down the Bluetooth button (the light will stop flashing and it will beep to indicate pairing is complete). Noticed the strap on one side was affixed lower than the other. casio f91w " U-shaped really turn up the knob on both bass and treble -- if you have blown out your ears and think most sound lacks highs and/or really like a "club" / "Beats" style of exaggerated bass, youll need to find a different style IEM, or use an equalizer with these. casio f91w Now that I have that down it is easy to use and works great. Fits well you just need to be careful to align correctly they do send an extra tape. Bought this for my friend and he so loves it. casio f91w These are awesome and very comfy. They are true to size but again, the straps being scratch are also too loose, like they are stretched out.
casio f91w