Roadie Roadie 2 Automatic Guitar Tuner - Black

Keep stringed instruments in tune with this Roadie 2 automatic tuner. A built-in vibration sensor takes accurate readings in noisy environments, while the motorized winder tunes strings quickly and precisely. This Roadie 2 automatic tuner has a free Android and iOS-compatible app for advanced customization and tunes up to 150 strings on a single charge.