Monster Power Rockin' Rambler is a versatile and powerful portable speaker that can be used both indoors and outdoors. With its wireless Bluetooth connectivity, you can easily stream music from your favorite devices. The speaker also has a built-in FM radio, so you can listen to your favorite stations without having to connect to a mobile device. Additionally, the Monster Power Rockin' Rambler has a USB charging port, so you can keep your devices powered up while you're enjoying your music.