● This wireless neck massager adopts 3D intelligent fitting technology, which can automatically adjust the massage head according to the curve of the neck. It is suitable for any size of the neck and has no sense of restraint. Neck massagers use low-frequency electrical pulses to transmit electrical pulses deep into the skin and use electrical pulses to simulate various massage methods to relax the neck. | ● The portable neck relaxation massager is equipped with a lithium-ion battery, which can be charged using the accompanying power cord. With its light and portable design, it is easy to use at home, in the office or while traveling. | ●Using ergonomic design, intelligent cervical massager uses the latest 3D intelligent fitting technology, "U" shape design and high elastic frame technology make this neck massager better fit the size and curve of human neck, and can easily adjust the electrode according to your neck curve, making it more comfortable to use. | ● Various modes meet all needs you can get what you need from 9 adjustable intensity levels with this cordless neck massager. | ●Relax your neck anytime and anywhere: if you need to work in front of the computer for several hours a day, you can put the cervical massager next to the computer, and you can use the cervical massager immediately when you feel neck pain. A 15-minute massage relaxes your neck muscles, relieves neck pain and relaxes you throughout the day.