StackSocial offers the Urge Basics Soundbrick Bluetooth Stereo Speaker in Red (pictured), White, or Blue for $39 with free shipping. That's a buck under our mention from three weeks ago and the lowest total price we could find by $21, outside of the price below. It features a built-in microphone, up to 80 hours of usage per charge, Bluetooth 2.0, and compatibility with most Bluetooth-enabled devices (including the iPad and Samsung Galaxy Tab). Deal ends May 26.

A close price: Cyclopscase via eBay has it in five colors for $39.99 with free shipping.