5 Button Touch Control Massage Patch Pulse Mini Massager Fatigue Relieve Massager for Shoulder Neck BackBlack Condition: Item Type: Massage Patch Material: Plastic  Power Supply: Lithium battery Battery Capacity: 900mAh Application: Shoulder, back, waist and abdomen, limbs Usage:  1. Attach the patch to the host machine by magnetic clasp 2. Long press the power button to start the machine 3. Long press the power button to shut down 4. Tear off the protective film of the electrode and attach the electrode to the part of the body that needs massage 5. Short press [+], [-] can be adjusted to the comfortable strength. It is recommended to start from low gear 6. There are 6 modes to switch freely. It is recommended to switch to the comfortable mode to experience different modes. Forbidden population: People or babies with limited mobility People who take sleeping pills or after drinking  People who have had treatment or paresthesia People with abnormal heart and brain nerves People who are thought to have temperature loss Pregnant women People with acute (painful) spinal cord contusion, muscle strain People with temperatures above 38℃ (fever) Patients with infectious diseases People with damaged or abnormal skin People taking medication People who are unable to express their opinions People who allergy to skin patch  People with abnormal blood pressure People with low temperature burning Note: 1. No head massages 2. Do not use massage paste on the heart 3. Do not use on face, mouth, genitals, skin diseases, tattoos, etc. 4. When the massage strength is not 0, do not use on hands and foot 5. Do not use with the following devices: pacemakers and other implantable life-saving electronics, such as artificial cardiometers, electrocardiographs and other portable electronics 6. Do not use it while driving, riding a motorcycle, or riding a bicycle; 7. Do not use it in the shower; 8. Do not contact the special USB cable or wiring with wet hands 9. Do not use the product within 1 meter of short waves or microwave equipment accessories