Groupon offers the JBL OnBeat Speaker Dock with Lightning Connector, model no. JBLONBEATPRCBLKAM, for $49.99 with free shipping. That's $30 below our November mention and the lowest total price we could find by $18. It connects to any Apple mobile device with a Lightning port and features two full-range JBL speakers, 3.5mm audio jack, and USB connectivity for non-Apple devices. It's powered by four AAA batteries (not included) or the included AC power adapter. Deal ends March 16.