Get this Westinghouse Unplug Bluetooth Sound System for $29.99 plus free shipping at Groupon Goods. This was the lowest price we found by $30 and $15 less than our previous mention. It connects to iPod, iPhone, iPad, Android and other Bluetooth-enabled devices and streams audio. It runs on a rechargeable Lithium-ion Battery. A built-in noise cancelling microphone lets you use it for conference calling when paired with a smart phone. It's available in four different colors. Sales tax is not charged in most states.