Masajeador de cuello inteligente eléctrico, herramienta de masaje térmico TENS Cervical para espalda y hombros, alivio del dolor, relajación, cuidado de la salud en el hogar

NOTE: This neck massager uses low-frequency pulse electrotherapy. It is forbidden to implant a pacemaker or carry metal in the body. Please do not use it. Please Attention : You may feel an electric shock the first time you use it. This is normal. Long-term use is best. If your neck is dry, please wipe your neck with a damp towel before use to get a better experience. How to use: 1) Before use, first wet the skin of the cervical spine with a wet towel, and then put the product around the neck, make the electrode close to the skin of the cervical spine, adjust the position of the product, turn on the host and adjust the appropriate massage intensity and mode. 2) Press [ON/OFF] button to enter the default mode, the default gear position(0 gear). 3) Press [M] button to switch mode, 6 modes available. 4) Press [+]/[-] button to adjust intensity 5) Press the middle button for heating up function. Description: Material: ABS, silicone Voltage: DC5V Power supply: USB Battery capacity: 650mah Charging time: 2-3 hours Using time: 2 hours Features: massage instrument, prevention of cervical spondylosis, physiotherapy hine, multifunctional