Dual Channel Electro Therapy Device for Pain Relieve Tens Unit

Product principle: Output specific low-frequency pulse current to stimulate nerves and muscles,promote nerve channel reconstruction and functional recovery,can cause muscle rhythmic contraction,improve muscle metabolism and nutrition,relieve pain and prevent muscle atrophy. Self-adhesive electrode patch: Put it on sore,numb,swollen,painful parts,electro therapy to dredge meridians and relieve pain.