Model:HX-905A1.Helps relieve shoulder and neck pain2.Helps relieve tension headaches3.Patented design helps restore proper neck posture4.Built-in two kneading massage balls with high frequency5.Two infrared strong massage heads with heat infiltration6.Can be used on legs and arm areas too7.Elevate your legs to relieve swollen ankles and leg painTechnical paramters: Unit weight:2.52KG;