VM Innovations offers the refurbished Sennheiser adidas MX 680 Sports Earphones for $14.99. Coupon code "KPE4E4C" drops it to $9.99. With free shipping, that's tied with our February refurb mention and $15 less than the lowest total price we could find for a new pair. Features include DuPont Kevlar-reinforced cables, sweat- and water-resistant construction, volume control, various custom fit silicone earbud adapters, and frequency response of 18Hz to 20kHz.
A 1-year VM Innovations warranty applies.