What are the best headphones for working?

Is it bad I still use $30 ear buds? I'm talking about when you need to get shit done & don't want to be interrupted.
HardyOps @Booktrack. Resident @MiddleEarth · Asked
15
BOSE Quiet Comfort 35

Jack Dweck15Product Manager at Unroll.Me · Written
+1 - this is one of the best purchases I made last year
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