I found the top end to be overly harsh to the point that music was fatiguing to listen to. Pros:1) The battery life is absolutely insane. )Auch hier gibt es bei den meisten High-End Logitech Mäusen einen 3 Balken-Indikator für den Akkustand. Now you can ramped the subwoofer without hesitation, without consideration to your family or your whole community or other cars besides you, because now your the only one experiencing it. Zu meiner Überraschung entwickelt sich der Schuh zu einem meiner Sommer-Lieblingsschuhe. Way too small Although I like the desing with the holes because it gives nice air flow and you might not sweat too fast, but I am curious if over time that some dirt might collect inside the mouse. Ill update this review if I run into any issues with the wear later on. It was so easy to use! Since noticing the fray I get complaints about the sound quality on my end.