Powered by a 7G ERM Motor, with vibrations 7X stronger than the average smartphone. Now you can finally free yourself from distracting audio clicks. Set your BPM, time signatures, subdivisions, accents and vibrations directly on the Core. Start or stop by two easy taps. Seamlessly connect to the world-renowned metronome app (link to app section), The Metronome by Soundbrenner. Load your setlists, change songs and connect with your band. Wear it on your chest, thigh or wherever you prefer to feel the vibrations in the most precise way possible. Connect up to 5 devices and play tighter together than ever before. NFC/Bluetooth options available. In a twist, the Core transforms into a magnetic contact tuner, giving you the highest levels of accuracy. Tune your instrument of choice by attaching the Core either to our included tuner mount, or your instrument's tuning pegs. Twist, attach and tune - it’s that simple. The OLED display and the 8 Sector LED Ring will guide you to the right note. The OLED display and 8 Sector LED Ring will guide you to the right note. Use the included tuner mount for absolute security or the Core’s built in magnet for convenience. Locked in with two neodymium magnets, a simple twist of the Soundbrenner Core releases it from the base. The neodymium magnets were selected for their incredibly powerful hold so you can be sure that the Core stays put.