This is a Cherub chromatic violin and guitar tuner.
Chromatic Violin Tuner - Cherub WST-500A
Cherub Chromatic Tuner WST-650C
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
Cherub Metronome Tuner and Tone Generator
Fender FT-1 Tuner Pro Clip-On For Guitar, Bass, Ukelele, Violin And Chromatic
ENO ET-3100C Digital Chromatic Tuner Clip on for Guitar Bass Chromatic Violin
