Intelli digital metronome black dial adjustment

Intelli digital metronome, black.  Dial adjustment.  40 notes (A#2-C#6).  Supports 6 beats and 7 rhythms con-currently, 10 times longer battery life, any micro-usb adapter (5 volt) for external power source, stereo phone jack, adjustable volume of tempo and pitch sound, pause & resume function, 3 AAA batteries included.