... red,white,blue,black 5.fast delivery Eno keyring mini chromatic clip tuner Specification: ModelET-01Items of tuningChromaticTuning ... rangeA1(55Hz)-C8(4186Hz)A4 frenquency range440HzDimension16*51*28mmColororange,red,white,blue ... ,blackPower1*CR2032(button battery)Feature:1.Mini and fashional keyring design,easy to carry2.color: ...