Roadie Tuner 3 Smart Automatic Guitar Tuner with 150+ Alternate Tunings | Great for GuitarsRoadie 3 is the latest automatic instrument tuner from Roadie Music. Compatible with almost any stringed instrument with geared pegs, it helps you find your sound quickly and accurately. Simply place Roadie 3 on the tuning peg of your guitar, it will listen to the vibration of your string, analyze its pitch and automatically turn the peg to get your string into perfect tune. Built with advanced vibration detection technology, Roadie 3 can get you in