Photography write analytical essay Beats has grown rapidly in recent years as its signature headphonesâÂÂwhich generally cost between $200 and $400âÂÂhave captured more than half of the U.S. market for premium headphones, according to data from NPD Group. 必須 2000文字以内 [bbs:youtube:(Youtubeの動画ID)]と書くとYoutubeの動画が貼れます。(例:[bbs:youtube:OQThUAQ0UN0])