VMInnovations discounts a selection of refurbished Sennheiser headphones via the coupon codes listed below. Plus, each item bags free shipping. Each comes with a 1-year VMInnovations warranty. The deals, compared to new prices:

• Refurb Sennheiser MX 680 Adidas In Ear Earphones for $14.99 via "YFCAF" (pictured, low by $8)
• refurb Sennheiser HD 335s On-Ear Headphones for $39.99 via "JFWTW" (low by $49)
• refurb Sennheiser RS120 Wireless Headphones System for $47.99 via "QSYXWTJA" (low by $31)