Product Description Are you still often feel sore after working in front of the computer but no one massaged you? Are you still depressed that massage range of other kinds of massager is too small? Pulse Neck Massager will give you a "proper" spot to relieve your neck ache. Features Promote blood circulation, relieve fatigue muscles, activate tissue cells, enhance metabolic capacity of massage parts, and realize daily maintenance and fatigue repair of muscles. U-sharped Fashion design, regardless of age, occupation,silicone soft material comfortable and suitable for anybody neck. Charged with Micro-USB general interface, getting rid of the limitations of traditional lines. Only 0.35 lb weight,light and portable,free you hands. Stainless steel electrode for delicate touch 3D annular elastic handle Micro curved surface design, fit the skin About 5 hours on a single charge.H Automatic connection. PX6 waterproof. Bluetooth 5.0，the maximum distance is 10 meters. Transmission stability. Notice(For Neck Massager) Please do not use this device with other medical machine together, Such as pacemaker,heart lung machine and Medical electronic device, electrocardiograph etc. If patient is using both high frequency surgical equipment and this device,it may hurt skin or damage this device. If using device near the short-wave, microwave treatment equipment (1 meter), EMS function may not be stable. If people who are Pregnant, sensitive skin, heart disease, abnormal blood pressure, malignant tumors, cerebrovascular patients, acute disease, or being treated, please consult your doctor before using this device. Do not use in bath or sleep. Do not use for children. Do not use in patients who are skin sensory impairment or for heat insensitive. Please turn off the device before adjust position or remove device to other place. Please adjust pulse intensity which is able to accept the comfort and appropriate intensity. Please do not disassemble this device,avoiding collision and water. Do not wash this device with water. FQA Q: What is the cause of some tingling on neck when using electrical pulse function? A: The reason is that people skin is relatively dry,electrodes is not close tight to neck,and can not stand EMS function. Please keep wet on neck and close tight to skin. Pulse intensity should be low to high, Please change another modes to massage if cannot stand pulse function. Q: Why neck skin in rashes? A: Neck skin rashes cause skin too dry or not close to neck skin when using pulse function, We suggest to keep neck skin wet and tight close to device,rashes will be gone one or two days. Q: Why does pinch hurt? A: Ergonomic design, Perfect fit for different neck sizes. The product adopts ABS plastics,it can protect neck; Please wear this device correctly and maintain correct posture when using, We suggest to massage two times per day, 15 minutes per time. PS: Pulse function is imitating traditional chinese acupuncture, it is not electric leakage. The body temperature will change according to summer and winter. In winter, you may feel a little hot. In summer, it is a normal temperature.