... Eno green color unique metronome and practice drum 2 in 1 digital electronic drum pad Specification:Tempo range: 30~280bpmBeat: 0 ... ,1,2,3,4,5,6,7,8,9Tolerance: Less than 0.5% ... of real drum 3.Metronome and practice drum 2 in 1,convenient to use and carry 4.full beat and ... Eno green color unique metronome and practice drum 2 in 1 digital electronic drum pad