Oh, I also love that there is no flasing notification light thats usually in the top left hand corner, because on my other phones, I found it very annoying and distracting. These are 11 inches high and made of soft pine -poorly stained soft pine. Your money will go much further on literally any other wireless mouse. With the rental headsets comm would go in and out, with these I have no experienced any such issues. this is one of the HD650 top strengths. Durability:I have recently bought the Philips, so I am yet to see how long it lasts. Everything is great . It doesnt sit perfectly flat once assembled and the one bar was a bit wonky, but for the money and for kids bikes it will work. This happens even after I made sure to mute my mic before my computer went to Sleep mode. Theres enough room for my fat finger to fit between the shoe and the top of my foot.