The Boss RC-10R Rhythm Loop Station is a comprehensive and compact Stereo Loop Recorder with an integrated drum computer, designed from the ground up to aid song writing. The RC-10R offers up to 6x hours of recording time as well as the ability to record and play 2x different song parts in 2-track mode. The built-in drum computer offers 280x rhythm styles with 16x different drum kits with intros, patterns, fills, and ends. The 2x circular displays are the playback status of Loop and Rhythm, while the large LCD screen shows you the basic settings. The Boss RC-10R Rhythm Loop Station also has a USB port for connection to PC or Mac, MIDI In and Out and a port for optional expression pedals or footswitches.