This is a Peterson BodyBeat Sync metronome. A futuristic metronome that transmits the tempo to your body through vibration. It allows you to practice rhythm even in places where you can't make noise, making it a companion for quiet musicians. ★Included Items Main unit (The cover on the back is missing. There is no problem with use when placed.) Dedicated rechargeable battery USB cable Main unit clip Vibration clip Original box Inner box Documents x 4 ★Condition The original box shows some stains, but the included accessories are in clean condition with no noticeable scratches or stains. Please check the photos for details. ★Operation Check Power on: OK Sound output, volume and tempo adjustment: OK Button operation: OK Please check the notes in my profile. 【Search Keywords】 BodyBeat Peterson For drums For bands For live performances Rhythm training Silent metronome