Quality is good and battery is enough for whole day. This is an excellent value for such a well made and well thought out product. if they last only 6 months, it will be money well spent. Do yourself a favor, save your money! CUMPLE LO QUE PROMETE. Birkis always expensive but confortable, take them to work often being on my feet all day I dont see myself wearing anything else, if only the insole was mow comfortable for people with high arches most shoes are just flat and the semi cork insole does not have too much arch support Theyre hard to insert so you really have to leave them in or just not use them at all. My biggest issue? Where is the rack mount hardware? Who sells rack mount gear without rack mount hardware! Manufacturer needs to perform some sort of Quality Control checks and considering this is being installed on vehicles. (See the last picture)Review:The Spigen Rugged Armor AirPods Pro case came in 3rd place on my list.