Walmart offers the refurbished Vizio SmartCast Crave 360 Multi-Room Wireless Speaker for $49 with free shipping. That's $10 under our mention from a month ago and the lowest price we've seen. (It's $78 under the best price we could find for a new unit.) Buy Now Tips Note: No warranty information is provided Features Bluetooth 8-hour battery life Model: SP50-D5B