PORTABLE, CORDLESS DEEP TISSUE MASSAGER A larger battery capacity provides a longer. This electric Neck Massager is not only effective in soothing muscles, but also promote blood circulation to relieve 3 different advanced massage skills (Cupping-Knocking-Scraping-Message-Acupuncture) and 15 level of strength to meet different needs. A specially designed thermostatic hot compress,2 different temperatures, relax muscles, relieve stress, and improve the circulation. SMARTER and MORE COMFORTABLE–this smart neck relaxing neck massager offers 15 mins automatic-off. It fits more to neck as U-shape designed with 3D magnetic electrode pads. Silicone material is softer, safer to skin and provide more flexible to different sizes of neck.