Boss RC-1 Loop Station features: Straightforward and easy-to-operate looper pedal Loop indicator displays the current loop mode for easy use Runs on a single 9V alkaline battery or optional AC adapter 12 minutes of stereo recording time for capturing extended performances Stereo inputs and outputs for stereo amp rigs or instruments Flexible external footswitch options (FS-7, not included) make stage use easy Last recorded phrase stays in memory even after you turn the pedal off, perfect for building song ideas Switchable mode, 24-segment LED indicator lets you keep an eye on the mode and status of the pedal