Korg Headtune HT-U1 Tuner - Ukulele - CLIP-ON CHROMATIC TUNER FOR UKULELE

(This text is machine translated) The Headtune is a uniquely designed clip-on tuner in the shape of a ukulele headstock. With the Headtune attached to the headstock, play a single note on the string you wish to tune and 2 indicators will light up: the LED string indicator will show you the key position, while the other LED indicator will indicate the adjustment of the key. Note. This will make it clear which key needs to be adjusted. With the innovation and precision you've come to expect from Korg, the Headtune will make tuning easy!