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This week we are giving away two pairs of the Shure SE310 earphones valued at $250 a pop. These are very high-end headphones that provide excellent sound quality. All you have to do is answer the below trivia question and email your answer to with SHURE Thing v3.0 in the subject line and the trivia answer and your shipping address in the body of the email. Here is the question:

• How many, and what are the names of the earphone sleeves that are included with the SE310?


All of the standard Gawker contest rules apply. The contest ends Friday May 25 at noon Eastern and then two winners will be selected at random from the correct entries.

Sponsored by Shure: "Sound isolating fit, premium quality - listen to music the way it was meant to be heard with Shure Earphones."