Today only. Logitech has the Logitech Rechargeable Tablet Clip-On Speaker, 997-000213 (new, dented box) for $13 - $3 off with coupon code logi_tabs_111413 + $6 shipping = $16 shipped. Features 3.5mm audio jack, eight hours of battery life, and USB to mini-USB charging cable. Normally around $17 each.
Deal has expired