Multifunction digital metronome with training mode and adjustable volume. This product is the **KORG digital metronome "BEATLAB (BTL-1)"**, designed for drummers and percussionists. Training Mode: Allows practice of various rhythm patterns such as rolls, paradiddles, flams, and ruffs. Multifunction Metronome: Equipped with a reference tone and a function to judge the deviation of the performance from the metronome sound. Tempo Setting: Tempo can be set over a wide range. Visibility: Clear display on a small, easy-to-read LCD screen. - Brand: KORG - Model Name: BEATLAB - Function: Digital Metronome - Power Supply: DC 9V - Training Mode: Rolls, paradiddles, flams, ruffs - Tempo Setting: 60 BPM - Volume Adjustment: Yes - Group Note Setting: Yes ■ Batteries are not included. ■ This is a used item and has been stored by a private individual. Please refrain from purchasing if you are seeking perfection or are concerned about minor details. ■ If you have any issues after purchase, please contact us before leaving a review. We will do our best to assist you.