awesome product from boatsound is so good and also bass is goodbattery backup time is outstandingi fully charged it and after using it for 230 hrs it shows 90 batterybuild quality is very goodneck and ear cushions are so softif you want to buy on ear headphonesgo for it instead of any other headphones either they are from boat or other brandyou should buy boat rockerz 510 instead of boat rockerz 600these two has same features and also comforts but 600s cushions are soft than thi