As one of its daily deals, A4C offers the used Logitech UE Megaboom Bluetooth Speaker in Black or Red for $79.95 with free shipping. That's $20 less than our mention of a new one from two weeks ago, $38 less than buying a new one today, and the best price we've seen in any condition. Deal ends today. Features: 65Hz to 20,000Hz frequency response IPX7-certified waterproof up to 20 hours playback 360° sound 100-foot Bluetooth range connectivity to UE Megaboom app Note: No warranty information is provided; however, a 30-day A4C return policy applies.