10 output pro acupuncture electric needle massager health care nerve and muscle stimulator hwato smy-10a new

it consists two groups of 10 line of output with each group of output being operated individually. and two persons can use it at the same time. its frequency can be adjusted at random within the set range so that it can avoid the anti-treatment effect coming from the patient adapting himself to the frequency during treatment. its frequency can be set precisely with minimum frequency being 1hz. it suits the treatments of low-frequency pulse for human body.