Yugster offers the factory-refurbished EcoXGear EcoPebble Bluetooth Speaker in Black for $10.97. Coupon code "DNEWSPEBBLE" drops it to $8.97. With $5 for shipping, that's $3 under our August mention and $11 under the lowest price we could find for a new item. It features a 20Hz to 18kHz frequency response, up to seven hours of playback, a rechargeable battery, and compatibility with most smart devices. A 90-day EcoXGear warranty applies.