1) Massager for head and joints (elbow, shoulder, knee, ankle) 2) Increases blood circulation and Relaxes stressed muscles 3) Helps relieve aches and pains 4) Simple and safety operation 5) Two power option:Low/High Speed 6) Including control handle, ten stainless legs with special tips 7) Input power:Two "AA" batteries (not included) Packing Details: Carton QTY: 40pcs Carton Meas: 67*33*47CM G.W: 9.3KGS N.W: 8.3KGS