ION Audio Party Starter MK II | Pocket-Sized Bluetooth Speaker with Built-In Beat-Sync Light Show (3W) Projects pulsating multi-colored party lights onto walls and ceilings Track skip play/pause functions for convenient operation Answer phone calls with built-in microphone 3.5mm (1/8-inch) aux input for non-Bluetooth devices Compact, powerful full-range speaker plus bass radiator deliver rich sound