Nux Loop Core Guitar Effect Pedal 40 Built-in Drum Patterns 99 User Memories 99 user memories;Built-in drum patterns with TAP tempo Change the playback tempo of your recorded phrases without changing the key Switching phrases without latency. Extensional pedal (optional) for more control. Import and backup phrases with PC,Runs on batteries and AC adaptor Record and overdub as many layers as you need;Up to 6 Hours recording time;Mono or Stereo recording*(stereo input only via aux-in jack)