Please read all Safety Warnings provided with the product prior to using. Always read the label and follow the directions for use. Do not use with any electronic medical devices e.g. pacemakers. Do not use this unit with these other devices: (1) If you have a pacemaker, implanted defibrillator, or other implanted metallic or electronic device. Such use could cause electric shock, bums, electrical interference or death. (2) Do not use this device while using another TENS device. (3) Together with a life-supporting medical electronic device such as an artificial heart or lung or respirator. •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 than 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 another 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