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Designed for Soundbrenner Spark. Helps your child feel the vibrating metronome where it works best – on the arm, chest, shoulder, or thigh. They’ll experience each pulse with greater strength and precision.
Designed for Soundbrenner Spark and children's bodies. Base strap fits 120mm - 240mm (5 in - 9 in). With extension, fits 350mm - 700mm (14 in - 28 in).
$19
Save %30-day money-back guarantee
1-year warranty
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