... AK-2000(TENS) Functions and Features:Aukewel Low Frequency Therapeutic Equipment AK-2000(TENS) incorporated the six traditional Chinese medical functions ... . It can help you to massage the acupoints of the feet and get through the whole body.Unique design of "Frequency ... , neurogenic pain, visceral pain, and postsurgical pain. low frequency therapeutic equipment( tens massager,therapy machine)