VM Innovations discounts a selection of refurbished Sennheiser headphones, as listed below. The deals, all with free shipping and comparisons versus buying new:

• Refurb Sennheiser MX 680 adidas Sports Earphones for $9.95 via "RS4AC" (low by $19)
• refurb Sennheiser BW 900 Bluetooth Wireless Office Headset for $21.99 via "Y6M49" ($7 off)
• refurb Sennheiser PMX 685i adidas Sports Headphones for $27.99 via "355GCM65" (low by $12)
• refurb Sennheiser HD 335s On-Ear Headphones for Smartphones for $27.99 via "WFFR8W" (pictured, low by $59)