The -: control keys, a touchpad would have been perfect and that's it
I love this helmet and for that price competition does not make the weight. I like almost everything, practical and discreet size (too bad it does not bend), its sleek design and devilishly effective and most importantly its amazing sound quality, honestly almost up to my seinnheiser rs 180 as a point comparison (still 250 to its output the craft ...) and in addition to that, it exudes quality pti this stuff.
In short I highly recommend especially for the price, you'll get your money.