ENYA ST1 Auto TunerWinder & Metronome with Full-Color LCD Display for Electric and Acoustic Guitars, Ukuleles, and Banjos, Black

Cross-shaped peg connectors (motor-driven) accommodate various tuning peg shapes. Compatible with guitar and ukulele (High-G, Low-G). Auto and manual modes allow for flexible use. 3100mAh capacity, takes 3.5 hours to charge, and provides 5-8 hours of use. Color LCD display shows tuning status in real time.