Comfortable right out of the box! probably not. So you can easily listen to your headphones for an hour or more on your way to work then an hour or more on the way home from work without having to charge in the middle. IT GIVES THE PERFECT PROTECTION AND VENTILATION FOR MY ACTIVE 3 YEAR OLD. Good thing my husband has tools and just screwed the thing to the wall so we ended up not using the hanger and screw at the back. The pair I just bought are for outdoor Running as did not want to wreck my expensive new gym trainers but at this price you can afford to change them. " I had no trouble pairing it with my phone, and Im looking forward to summer with this as my sound companion. My Son loves it. Kinda of a mess cause kids can?t take their bike off the rack without pulling all the others who are tangled by handle bars. I purchased this from Amazon and tried it the same day in my garage.