Product name: U-shaped pillow cervical massage instrument Product model: YH-186 Product specifications: 230 X 230 X 100mm Fabric composition: crystal super soft + spandex Filling: slow rebound memory foam Rated power: 3W Charging voltage: DC5V Battery capacity: 1800mAh Executive standard: GB4706.1-2005 GB4706.10-2008
Safety category: GB18401-2010 Class B