The Hyperice Hypervolt Bluetooth Percussion Massager delivers a symphony of power, performance, and variability to provide relief and support for any activity and daily maintenance. Featuring Bluetooth enablement, use the Hyperice app to guide your Hypervolt through Routines designed for specific muscle groups and body parts. The quietest percussion massage device you can find. The Hypervolt was built to reinvent the massage experience, giving everyone the ability to Move Better.