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The KORG GM-1 In Ear Group Metronome pack includes four ultra-compact metronomes designed for group practice. Each device features infrared communication for synchronized tempo, a comfortable canal-type earpiece, and a variety of rhythm options, making it ideal for marching bands, dance teams, and rehearsals.
| Item Weight | 9 g |
| Product Dimensions | 4.9 x 2.2 x 2.2 cm; 9 g |
| Batteries | 4 CR2 batteries required. (included) |
| Item model number | GM-1 4PCS |
| Body Material | Alloy Steel |
| Color Name | Black |
| Connector Type | clamp |
| Material Type | Plastic |
| Size | Small/medium/large |
| Battery type | Lithium Manganese Dioxide |
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