Roadie is the ultimate guitarist´s tool, an ingenious device that tunes your guitar quickly and accurately!
Changing strings and tuning up have got to be two of the most boring guitar-related tasks, Roadie tunes your guitar automatically, and helps you unwind and wind your strings quickly and hassle-free when they need changing.
Roadie works with an included app, and lets you create your own custom tuning for your instrument, then simply connect it to the tuning peg, and watch it perform the tuning! watch the video
Courtesy of: blessthisstuff