-Tune any string instrument on the go using the manual tuner feature. Choose from a multitude of alternate tunings or create your own custom tuning. - Create and store a profile for all of your instruments (bass, electric, acoustic, classical, 7 and 12-string guitars, ukuleles, mandolins, banjos, etc.) and sync it across your Roadie Tuners. - Choose from a multitude of alternate tunings for your instrument, or create your own custom tunings.