Please read all Safety Warnings provided with the product prior to using.• Never use this unit in combination with the following medical electronic devices:(1) Medical electronic implants such as pacemakers(2) Electronic life support systems such as an artificial heart/lung(3) Portable electronic medical devices such as electrocardiographThis unit may cause the above-mentioned medical electronic devices to malfunction, posing a considerable health risk to users of these devices• Persons with the following conditions (suspected or diagnosed) must consult the doctor before using this unit:Acute disease/malignant tumor/infectious disease/pregnancy/cardiac dysfunction/high fever/abnormal blood pressure/tendency to bleed internally/skin sensory disorders or skin problems/receiving medical treatment, especially those feeling discomfort/ following a recent surgical procedure/epilepsy/heart disease/heart rhythm problem • Do not use this unit near the heart, above the neck, on the neck/throat, on the head/face, around the mouth or on diseased skin, on the genital area, on the calves/feet of both legs at the same time. Application of electrodes near the thorax may increase the risk of cardiac fibrillation• If you have had medical or physical treatment for your pain consult with your healthcare professional before using this unit• If your pain does not improve, becomes seriously chronic or severe, or continues for more than 5 days, stop using the unit and consult with your healthcare professional• The mere existence of pain functions as a very important warning telling us that something is wrong. Therefore, if you suffer from any serious illness, consult your healthcare professional in order to confirm that it is advisable for you to use this device• Do not use this unit for any other purpose that what it is intended for• If the unit is not functioning properly or you feel discomfort, immediately stop using the unit• Do not use this unit on infants/children or people not capable of expressing their intentions or with cognitive disabilities• Keep out of reach of children. Contains small parts that may cause a choking hazard if swallowed. The electrode cord could cause strangulation• Do not use this unit while sleeping/ driving/ showering• Be careful not to allow any metal object, such as a belt buckle or necklace to come into contact with the electrode pad during treatment. You may receive a strong electrical shock• Do not use the device with other medical electrical (ME) equipment simultaneously• Do not use a mobile phone or other devices that emit electromagnetic fields, near the unit. This may result in incorrect operation of the unit• Do not use this unit to treat one region for extended periods of time• Follow the battery instructions carefully