100 user accessible patches... (B1 Four has 50) 10 banks of 10
Use ToneLib to set up, and name, and load patches, even from phone.
Powered by 4xAA or 9v, (so also a 9v batt snap lead) or 5v USB, so phone charger or a powerbank - real versatile
Amp and Cab Sims, Feeds Mixers on 1/4... If only it had an XLR!
Check the zoom website for the effects listings and manual