Good quality helmet and with good sound reproduction What interested potential buyers, it is the little things. The ones I identified in 1 week of use: The most troublesome is a speed up or slow music, I do not know what for but it is unpleasant. I think it is pure avoid losing scraps of conversation during micro cuts and it is effective in a conversation but for listening to music is not great. Wearing this helmet causes painful points behind the ears when wearing glasses. The scope is really reduced to a few meters and it's worse if the phone moves relative to the helmet. Example I put the phone in my trouser pocket and low biking I had cuts every time I pedaled. remedy pocket change for the phone (HTC HD2). If the office is a great device that perfectly fulfilled its role.
