No need for extra devices. Includes 7 tuning modes: C (Chromatic), G (Guitar), B (Bass), U (Ukulele), V (Violin), V- (Viola), V_ (Cello).
3 in 1 Guitar Tuner Metronome Tone Generator, LEKATO Rechargeable Full-Color Screen Chromatic Tuner Metronome，Guitar Tuner Clip On,For Guitar, Bass,Ukulele, Violin and Various Instruments
LEKATO Clip On Tuner Metronome 3 in 1 Guitar Tuner Digital Bass Tuner
Linrax MT1 Digital Metronome Tuner 3-in-1 Guitar Bass Violin Ukulele Chromatic
3-in-1 Guitar Tool: Winder, Cutter & Pin Puller for All Guitars
3 in 1 Guitar Tuning Tool String Cutter Pin Puller String Winder Free Cloth
3 in 1 Guitar Restringing Tool - String Winder - String Cutter - Peg Puller
