I searched the entire box and didnt find the loose piece so it was clearly broken before shipping. Vocals recessed. Battery life: I have been working out with these headphones every day for the past week and am yet to need to charge the case, so I would say the battery life is fantastic. YOU HAVE TO TRY THEM. Remodeling a home. I?m usually a size 8. No explanation of parts and their usage or connection to the product. The only downfall is the ink maybe a little more expensive than my previous hp. You shouldnt have to tilt your cart inward if you have the overhang right. I love the headphones like it is so convenient and very useful especially for times when it is raining and you dont want the headphones to slap against your face.