Low Frequency Therapeutic Equipment AK-2000(TENS)incorporated the six traditional ... functions, Unique design AK-2000(TENS) Functions and Features:Aukewel Low Frequency Therapeutic Equipment AK-2000(TENS) incorporated the six traditional Chinese ... pain, bladder incontinence, neurogenic pain, visceral pain, and postsurgical pain. low frequency therapeutic equipment( tens massager,therapy machine)