Specifications: Material: ABS Color: White+Black Power Supply: DC 3V 30mA Battery: AAA*2(not included) Physiotherapy Time: 15 min Size: (L)X(W)X(H) 22x20x6cm /8.66"x7.87"x2.36"(appr.) Features: Brand New and high quality. Made of ABS material, portable, silence and easy to use. 3D smart stainless steel patch and physiotherapy patch with line work simultaneously. Electric pulse simulation of Chinese six massage techniques: 1, relax massage mode 2, cupping mode 3, scraping mode 4, hammer tapping mode 5, acupuncture mode 6, massage mode. The ring design can fit the neck more easily, and the electrodes can be easily adjusted according to the neck curve to massage more fully. Relieve pain caused by nerve compression, Improve sleep status, increase the depth of sleep. Package Included: 1 x Neck Massager 1 x Electric Cable 2 x Electric Pads 1 x English User Manual Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.