BROTOU Guitar Tuner Clip On with Guitar Capo for Guitar, Bass, Violin, Ukulele, Digital Electronic Tuner Acoustic Guitar Accessories with LCD Display (3 Guitar Picks)Tuning InstrumentSimplicity and accuracy, clip on tuner for chromatic, guitar, bass, ukulele, violin 6 String Tuner6 C tone standard pitch ( bass mi, bass la, alto re, alto sol, alto Si and high pitched mi ), corresponding to the 6 strings of guitar or other musical instruments Automatic shut off functionClear LCD digital display with a good backlight making it easy to read, the tuner will be power off automatically after 3 minutes if no operation 360