This is the popular NIPLUX NECK RELAX massager (red). It's a top-selling product on Rakuten Ichiba. The retail price is 9,680 yen. I bought it for myself. I tried it on for about 10 seconds, but it didn't suit me, so I stopped using it immediately. Of course, it's been unused since then. It was only worn for those 10 seconds, so I think it's practically new. NIPLUX NECK RELAX gently warms the neck with heat radiation from the floating electrode sheet. Recommended for neck and shoulder care. EMS x Heat for neck care 【NIPLUX Official】NECK RELAX NIPLUX Neck Relax Health Goods. EMS electrical stimulation stimulates deep muscles that are not usually used, relieving tension in the neck and shoulders. ※What is EMS? It stands for Electric, Muscle, and Stimulation, and is a technology that uses electrical stimulation to move muscles. 5 Modes By operating the button to switch modes, the rhythm and sensation of the EMS change. You can choose from a total of 5 modes. 16 Levels of EMS For beginners, start with level 1 (you'll feel a slight stimulation) and gradually increase the level to your preferred intensity.