Brookstone offers its Brookstone Mobile Mini Speaker in Black for $34.99. Coupon code "MSPKR1" bags free shipping. That's a $5 savings and the lowest total price we could find for a mini pop-up speaker with a retractable cable. It features a leather-look stitched case, 3.5mm headphone jack, USB connectivity, up to four hours of playback, and 18" retractable audio cable. Deal ends December 2.