Sony offers its factory-refurbished Sony Portable Speaker Dock for iPod and iPhone in Black, model no. RDP-M5iPBLK, for $49.99. In-cart, it falls to $34.96. With free shipping, that's $28 below the lowest total price we could find for a new unit. Sales tax is added where applicable. It features a remote control, auxiliary input, power adapter, and more. It can also operate on 4 AA batteries (not included). A 90-day Sony warranty applies.