... design and high quality 3 in 1 LCD Digital Guitar Tuner Metronome Tone Generator For Acoustic Guitar Electric GuitarDescriptions:This ... practice the beats.It is not only a music instrument tuner,but also a good tool for vocalization practice. Itswivels ... word,it is a perfect performance product.Specifications:Function:Tuner,Metronome,Tone Generator.Tuner:Tuning Mode:Auto,Manual.Tuning range: 12-note ...