Physiotherapy equipment TENS unit TENS massager SM9157

SUNMAS TENS SM9157 is a new health care product to benefit the tired body.  It can stimulates nerves up, help with muscle relaxation, and raise the level of endorphins for natural pain relief. Due to its portable appearance, the use of the device will be no longer bound by time or space. It is really a good partner for health care in daily life.

Principle and Operation Process

TENS massager SM9157 works by passing harmless electrical signals into the body from its pads. This relieves pain in two ways:

Firstly, "high frequency" continuous, mild, electrical activity may block the pain signal travelling to the brain. Brain cells perceive pain.

Secondly, TENS stimulates the body release its own natural pain-control mechanism. "Low frequency" or short bursts of mild, electrical activity may cause the body to release its own pain easers, called beta endorphins.

Functions

1. 2032 button battery

2. Three keys  (+), (-)  , ON\OFF

3. If not press the key (+) or (-)  ,20 seconds will shut automatically

4. 3 modes ,when power on, on default of the first mode , the fixed time is 20 minutes 

5. The strengthen key (+)  One press to increase one grade; totally10 grades

6. One press to decrease one grade can reduced to the lowest grade.