Harman Audio offers the refurbished JBL Charge 2+ Splashproof Bluetooth Wireless Speaker in several colors (Black pictured) for $64.99 with free shipping. That's tied with our refurb mention from a month ago as the lowest outright price we've seen for this speaker in any condition. (It's $34 below the best deal we could find for a new one today.) Features include water-resistant silicon coating, and up to 12 hours of playback.
A 1-year JBL warranty applies. Note that select colors are backordered until May 16.