6 Interchangeable Attachment Heads for the perfect massage - Flat, bullet, round, fork, hot and cold - make this the go-to on-the-go percussion massager. USB charging make it ideal for use at home or when traveling. 6 intensity levels to provide different pressures on specific targeted muscle areas and promote blood circulation. Rubber-coated comfort grip. 2800 to 3800 percussions per minute to give the ultimate deep tissue massage.