Lenovo offers its Lenovo BT820-US Bluetooth Speaker, model no. 0B54211, for $79.99. Coupon code "HDEAL14211" cuts the price to $14.99. With free shipping, that's $12 under last week's mention and the lowest total price we've seen. (It's a current low by $15.) This 2-channel unit features two speakers and a 3.5mm jack; it can be powered by the included AC-DC adapter or four AA batteries (not included).

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Orders placed via standard shipping by December 20 should arrive by Christmas.