Bring your party to the great outdoors with this Sony wireless speaker. It's lightweight and portable, so taking it around with you doesn't have to be a team effort. And with a 30-hour battery, there's enough power to last you all the way back home. Plus, you don't need any extra cables to connect it to your phone, Bluetooth takes care of all that for you, while the 30-metre wireless range means it doesn't have to stay glued to your side. This model is water resistant too, so it'll be safe from any splashes or sudden downpours.  Nothing's going to rain on your parade.