Used Targus TA-13NCHP ANC over-ears for $6 [updated]

If you like to compare or experiment on headphones, or need a case, the Targus TA-13NCHP active noise-cancelling headphones are available in “Used – Like New” condition for $6 (was $7.35) by Amazon Warehouse Deals. The description says “Item will come in original packaging. Packaging may be damaged”. They come with a Targus branded case, which I am assuming will be included based on the description? The ANC circuit promises “up to 80% of ambient noise”. As the two reviews point out, these DO NOT include a mic with volume control. It doesn’t say how the ANC circuit is powered (single use batteries or internal?).

Price updated 3/6/15.