... knotAdjustable slideAdjustable treatment timePre-programmed treatment protocols AccessoriesElectrodes (1 positive electrode & 2 negative electrodes)SpongesStrapsPower cordFusesNet coversSilicon ... be selected in a one-touch auto-therapy. Application:1. Muscle strain, cervical spondylosis, frozen shoulder, arthritis, ... blood circulation and others Low Frequency Therapy Unit With Heating Function