Bowers & Wilkins C5 In-Ear Headphones Lightning Review: Massive Sound, Tiny BudsMat Honan9/07/11 4:30pm281EditPromoteGo to permalinkDo you like to do things and listen to music while you're doing them? Me too! We have so much in common! Maybe you should try these C5 in-ear headphones from Bowers & Wilkins. They're great for listening while doing.