SponsoredWin a Pair of Our Favorite Running HeadphonesStudio@Gizmodo12/20/12 11:59amFiled to: ContestGizmodoHeadlineAdvertisement0EditPromoteShare to KinjaToggle Conversation toolsGo to permalink A few weeks ago Giz gave Sennheiser's PMX 685i headphones four stars for helping make running actually enjoyable. They're light, well designed, and sound incredible. Advertisement And now we're giving away a pair for free. All you have to do to potentially win is take the one-question survey located below.To enter, send your answer to the survey below to email@example.com with "PMX 685i" as the subject line. Standard contest rules apply. Only open to US residents. Readers may also enter by sending the last question of the survey and their contact information to Gawker Media, Attn: PMX 685i Contest, 210 Elizabeth Street, Third Floor, New York NY 10012. The contest begins on October 18 at 11:59 am EST and ends on December 31 at 11:59 pm EST.