ebestshop4u via eBay still offers the factory-refurbished Sony Noise-Canceling Headphones in Black, model no. MDR-NC7, for $19.25 with free shipping. That's tied with our mention from a week ago and the lowest total price we could find by $2. Features include a foldable and swivel design, ambient noise reduction of 87.4%, and more. A 90-day Sony warranty applies.