the item is almost new we bought it last year this has no problem in the operation all button are working properly the battery is ok you can use the anc on within 5 to 6 hours anc off 7 to 8 depends on the volume. we sure the product that we sell is good quality and tested before we ship the item.thank you very much please make a review after purchased. #qualityfirst
i noticed some other seller here sells very high even the battery is not good so i give a opportunity to replace a genuine battery to give a satisfaction for customer that really needs it. thank you for the support.