AC/DC Vintage Portable Bluetooth Speaker The iDance AC/DC Vintage Bluetooth Speaker not only sounds great it looks smart too. It's an easy way to quickly listen to your music from your phone or any Bluetooth enabled device. Neat vintage styling will look great on a book shelf. A fantastic gift idea! The iDance AC/DC Vintage can be used with batteries or mains. The iDance AC/DC Classic Vintage is truly portable. It comes with a mains adaptor and can also be used with its built-in lithium ion battery. Ideal for when you can't plug it in. You should get up to about 10 hours continuous play time from the batteries. A Large rotary volume dial is easy to adjust. No Bluetooth? No problem! The iDance AC/DC has a mini stereo input allowing you to attach a music source via the supplied cable.