120v Only. * The Professional Palm Massager Is A Percussion Massage With Soothing Heat Designed For Various Area Of The Body * Ideal For Post Sport Use * Relax With Pinpoint Massage For Targeted Relief Of Areas That Carry Stress Such As Shoulders And Lower Back * Simple And Lightweight Design * Variable Speed Control Up To 2 200 Pulses Per Minute * 3 Attachments For Customized Use: Spot Heat And Contour *