User friendly design‎,‎ useful and portable Firms skin and muscle tone to reduce sagging Ideal for use on your face‎,‎ neck‎,‎ shoulder‎,‎ back‎,‎ head‎,‎ etc Includes 10 Interchangeable massaging heads ranging from smooth gentle to deep intense With different massage heads‎,‎ you can massage away a simple headache‎,‎ or relieve major muscle soreness at home‎,‎ at work or at anywhere you like Easy on/off switch Power by 2 x 1.5V AA Batteries‎(‎not included‎)‎