Deep Kneading Massage: The neck massager uses 8 bidirectional rotating kneading massage heads for treatment. SPECIAL HEATING FUNCTIONS: The neck massager is lightweight and comfortable to wear for long periods of time. DURABLE SOFT MATERIAL: This classic style back massager is made of linen fabric to make the massager look better and allow you to enjoy a relaxing massage. Simple operation: The back massager has integrated controls for easy use.