Meet the Monster Rockin’ Roller 270: a powerful wireless speaker ready for your outdoor parties. It is IPX4 water resistant. It has a Qi charging pad on top which you can use to recharge your smartphone. This 200w speaker delivers 270-degree sound. It has a telescoping handle and wheels, so you can easily move it around.
The battery lasts up to 100 hours on battery. You can connect two speakers for bigger sound. The Monster Zone control app lets you adjust brightness, LED color, control volume levels, and change source.[where to get it]