Tenergy via Amazon offers its Tenergy Dimmable LED Desk Lamp with Bluetooth Speaker for $39.99. Coupon code "HFZMIGA6" cuts that to $27.99. With free shipping, that's the lowest price we could find by $12, although we saw it for $2 less in September. It features three color temperatures, flexible gooseneck, and USB port. Deal ends December 9.