The perfect item for a party celebration or just everyday fun. Play your favourite music and watch the 9 super bright LED lights on the sound sensor bar dance to your favourite beat. Or just talk and watch the lights react to the sound of your voice. Alternatively flick the switch for a random light show. Each item individually boxed with “try me function”. Requires 4 x AA batteries included. Comes with AC jack input (adaptor not supplied) for optional mains supply.