Pocket Operators are small musical devices that allow you to create 16 beat musical patterns, and then string those together into longer sequences to make songs.

The Pocket Operator (PO) series is a set of three miniature battery-powered synths, all priced at $59. There's the PO-12 "Rhythm" drum machine, the PO-14 "Sub" bass synth, and the PO-16 "Factory ...