KORG Tempo Sync Earphone Type Metronome Set of 2 GM-1 2PCS Ideal for Marching Band Dance Team Outdoor Practice Black

Hear the same tempo right in your ear. An earphone-type metronome with a synchronization function. Tempo synchronization is possible by connecting two units and communicating via infrared. Provides a secure hold that fits a variety of ear shapes. Also supports odd time signatures. Allows you to practice a wide range of songs. Includes ear pieces in S, M, and L sizes.