Sears offers the Philips Portable Speaker in Silver, model no. SBA1610/37, for $12.20 with free shipping. (Amazon has it for the same price for Prime members.) That's the lowest total price could find by $2, but most retailers charge $17 or more. This pocket-sized speaker features 2W Rms power, a 3.5mm plug, neodymium Speaker drivers, and also functions as a mobile stand.