Check the listing for details. Soundbrenner Spark Wearable Vibrating Metronome - Blue. Condition: New. Listed at 169.00 USD. A Wearable Metronome to Spark Productive Practice Principles Looking for a tool to help your young musician build strong music fundamentals? Expanding on its popular wearable metronome line for professionals, Soundbrenner designed the Spark with developing players in mind, offering a streamlined experience that makes practice both effective and inspiring. At its core, Spark is a wearable metronome, powered by the same motor as its pro-level counterparts, so you can feel the rhythm while keeping your ears on the music. A built-in microphone adds a chromatic tuner and decibel meter, ensuring every session is in tune and safe from harmful volume levels. Spark also pairs with a smartphone for access to Soundbrenner’s learning tools in the Metronome app.