Pendant Neck Protector Cervical Spine Massager Cervical Spine Physiotherapy Device Shoulder Massager Features: Details: Five massage modes b Press the mode button for 2 seconds to turn on the power, the power indicator lights up, the think automatic combination mode intensity is 1 gear. Press and hold the mode button for 2 seconds to shut down, and the power indicator will turn off. Click the key/mode key to the mode, the modes are kneading mode, hammering mode, acupuncture mode, massage mode, and automatic combination mode. After switching, the think strength is 1 block. Heating function key Press the heating key, the heating is , the think intensity is 45 C, and then press the heating key, the intensity rises to 50 C. Continue to press the heating button, the intensity rises to 55C and then press the heating button to turn off the heating. up/down Each time you press the intensity "+" button to increase the intensity by 1 gear, and finally to the 9th gear; A tingling sensation may be due to: Is the electrode pads close to the neck skin? Need to adjust the position to make it close to the skin. Is the massage time too long? It is recommended to press once for 15 minutes, a day Is the massage too strong? Is the skin allergic to the electrode pads? Severe allergies require desensitization first Cold climate, dry skin? Use after moistening the skin with a damp towel. Whether there is a wound on the skin surface, do not put the electrode pad on the wound for massage. The use of the following conditions is prohibited 1. Patients with malignant 2. Patients with bleeding tendency 3. Pregnant women, maternity 4. Patients with acute suppurative inflammation 6. Patients with metal implants 7. Near the heart of the human body Contains: 1X Neck Massager 1USB