Tuner for chromatic,guitar,bass,violin humanize design,easy operation auto tuner backlight and led indicator making the tuner ModelET-208Items of functionGuitar,Bass,ViolinFeaturesTuner for chromatic,guitar,bass,violin humanize design,easy operationauto tunerbacklight and led indicator making the tuner easy to use in dark situation SpecificationA4 tone frequency range: 440Hz Size: 120x70x20mm ...