Enya Smart Automatic Guitar Tuner, Full-color LCD Screen - Metronome & String Winder - For Electric Guitars, Acoustic Guitars, U

?NO GOING BACK AFTER THIS?- ST1 is a smart acoustic, electric guitar tuning & string winder. Its a tuner, a winder and more. It makes tuning, and re-stringing so fast and easy. Equipped with the brand new vibration detection technology, ST1 guarantees tuning accuracy within 1 cent, allowing you to tune in noisy environments. Just give it a shot. Theres no going back to the traditional way of tuning. It can be used both on guitars and ukuleles.