Body, Hand, and Head Massager Interchangeable Heads: Comes with different massage heads, including a wavy head and a ball-studded head, to provide different types of massage and use on different body parts such as the neck, back, legs, and scalp. Function: Vibration and massage technology helps relieve muscle pain, improve blood circulation, reduce tension, and promote relaxation. Design: Features a compact and portable design, and the German text on the box shows some descriptive words such as