Amazing Deals Online via Amazon offers Prime members the Photive CYREN Portable Bluetooth Speaker in five colors (Purple pictured), model no. PH-BT1000, for $19.99 with free shipping. (Non-members can spend over $35 for free shipping; otherwise, shipping adds $5.89.) That's $10 under our January mention and the lowest total price we've seen. (It's a current low by $10.) It features up to 10 hours of playback, rechargeable battery, and two 40mm drivers.