Specifications Hign-concerned Chemical:None Plug Type:US Plug Standard Voltage:110 V Brand Name:ASTEC Origin:Mainland China Certification:CE,FCC,RoHS Model:AS2080 Function:tens unit device for body massager,pain relief Channel:Dual channel Intensity:20 Certifications:CE,FCC,ROHS Package:phone box 24 Modes &20 Intensity Electric Pulse Dual Channel Muscle Therapy Tens Units Machine - 1 x Electric Therapy Machine - 4 x Electrode Pads - 2 x Electrode Wires - 1 x AC/DC Adapter - 1 x USB Cable - 1 x Pad Holder - 1 x English User Manual - 1 x Application Accupuncture Points Chart -Item Weight:62g Size:9.4*5.5*1.2cm -MaterialABS+stainless metal back shell Description Identity, Function and Therapy Theory: It has multi-function of Press, Knead, Vibrate and Thump. This machine has combined therapy function for Arm, Joint, Feet, Shoulder, Waist and Leg. The low frequency therapy acts on human body though low frequency pulse current, It makes human body react by its incitement so as to promote partial blood circulation, Strengthen the adjusting function of the nervous system to attain the purpose of eliminating fatigue, alleviating hyperinesia, reliving pain and subduing inflammation and etc. The body reaction is to be carried out by the combined action of nerve and body fluid. Operating Instructions: 1. Stick the electrode pads onto appropriate parts of the body that need to be massaged, and then connect conducting wire with electrode pads correctly. (Note: 2 electrode pads / 4 electrode pads must be connected at the same time) 2. Open the on-off button of the main machine, and the sketch of the working mode under manual's procedure will display on the screen. You may choose different therapy modes ( Press, Knead, Vibrate and Thump) just according to your personal preference. 3. The therapy speed and intensity of the machine can be adjusted flexibly, Once you selected a mode, gradually increase the intensity by pressing the "+' button, decrease the "-" button. 4. You can also press the button | ARM", "JOINT", "FEET", "SHOULDER", "WAIST" AND "LEG" to choose different parts of therapy. 5. Its double-channel system can make two persons to use it at the same time, and the intensity & time can be adjusted separately. 6. When stopping the machine, pis turn the power off through switching the on-off button, and reset the power switch once it needs to be worked again. Three key pionts for operation 1. Firnd the exact pain point: The point which is sticked to the massage cads should be the most painful point in normal times. 2. Strength: Therapeutic strength must be gradually increased, and it's better to reach the highest strength you can stand. Package Included: