Mid is great. Works as advertised but the headphone jack itself bent after only 4 months of normal use. I didnt rate the battery life, but Im sure it will be good. Im just a regular dude, but Ive listened to enough earbuds, headsets, and speakers to know something that sounds good. Has a nice fit, isnt too tight on the ears. Eigentlich bin ich davon ausgegangen, dass die Klettbänder etwas dicker bzw. And had to recharge. The replacement set had zero problems and my saw fit perfectly and slid very near frictionless on the guides. I was able to sew them inside to make them tighter. I got this part to work on 3 computers (2 windows 10 and 1 windows 7), the software said the controller and receiver paired.