neck massager, neck massager for pain relief, intelligent cordless portable neck relax with heat 3 modes and 15 intensities, gifts for father dad rspic <p>product feature:</p><p>this is a leisure electric neck massager, you can use it to relieve neck pain anytime, anywhere (not for medical purposes),this product uses low-frequency electric pulses, so you will feel an electric shock during use. this is a normal phenomenon. you can adjust the intensity through the remote control to achieve the best massage effect</p><p>notice before use</p><p>◆keep the neck skin moist and clean before use. wipe the neck skin with a wet towel is more conductive and more effective.</p><p>◆because the use of low-frequency electrical pulses to stimulate muscles, to achieve the effect of relaxing neck muscles ,the first time you may feel an electric shock, which is normal. long-term use will be better.</p><p>◆one hour can be fully charged. the red light flashes during charging and the red light is always on, indicating that is fully charged.</p><p>◆we recommend using it for 15 minutes each time, and it will automatically shut down after 15 minutes to ensure safety. recommend use twice daily.</p><p> how to use: </p><p>➤hold on power switch 3 seconds to turn on(blue light on) </p><p>➤the first button on the wireless remote control switches to the heating mode, the m button switches to 3 massage modes, each time change modes the massage intensity will back to 0 levels</p><p>➤the +/- button switches to massage intensity. a total of 15 levels are recommended to try from small to large</p><p>➤when you charging,red light will be flashed,full will stop flashing</p><p>if you have any questions about use or products during use, please feel free to contact us. we will do our best to help you solve the problem</p>