Cosmetic Beauty Massager full body massage Includes 4 interchangeable massage heads Small, but very powerfu,Increases blood circulation. Beauty Massager tool，not only can be used by yourself but also as a gift to family or friends ,ect . Electricity: 1 x AA Bat.tery (not included) Package: 1 x Mini Massager 4 x Massage Heads Weight: each item include the 4 heads .