Wahl® Heat Therapy Therapeutic Massager with 4 interchangeable therapeutic massager heads. Relieve everyday aches and pains with the benefits of a therapeutic massage. With the Wahl® massager, you can choose massage only, heat only, or combination of both, 2 vibration settings and 2 heat settings. Heat function penetrates deeply to soothe stiff and aching muscles. Powerful, lightweight, quiet, a Wahl massager is the perfect way to relax and put your body at ease.