... 1 metro tuner 1.fashional appearance 2.easy to taking&saving space 3.copetitive price with high qualiy ... 1.LCD display 2.item of tuning,Chromatic,guitar, bass,violin,ukulele3.Tuning range for chromatic A0 ... 1.LCD display2.item of tuning,Chromatic,guitar, bass,violin,ukulele3.Tuning range for chromatic A0(27.5Hz)- a3(1760Hz)4 ... Power:2xAAA battery 3 in 1 metro tuner with metrononme