Teenage Engineering PO-28 robot, live synthesizer and sequencer, with parameter locks, glide control and punch-in effects. real 8-bit synthesizer engines for making live and sequenced melodies and leads, 15 sounds + micro drum, live play + sequencer combo, 128 pattern chaining, step multiplier, 16-step sequencer, 16 patterns, 16 pattern chaining, clock, alarm clock, jam sync with audio through, 3.5 mm audio out / in, animated unique lcd display, folding stand, 2 year standby time, powered by 2 aaa batteries