A4C offers the Carbon Audio Zooka Portable Bluetooth Speaker in Navy or Red for $13.95 with free shipping. That's tied with our mention from a month ago as the lowest total price we've seen. (It's a current price low by $8.) This speaker grips your iPad or laptop and features two 30mm speaker drivers, a 30-foot range, and frequency response of 150Hz to 20KHz. Deal ends October 24.