Mini guitar tuner 1.Quality Hard metal 2.Steel spring 3.High ... .2-color screen backlight New Digital LED Electronic Acoustic Guitar Tuner TunerTuning mode: chromatic, guitar, bass, ukulele, violinTuning way: by clip onlyPitch range ... , 1 pieceDimension: 56*60*45mmWeight: 35g New Digital LED Electronic Acoustic Guitar Tuner