全方位选择器 
omnibearing selector (OBS)
radial selector
- 该靠垫采用微电脑技术,您可以通过手控器控制六个揉捏头的旋转方向,可选用两个捶击头的不同节奏方式和捶击力度,也可选择单种揉捏或捶击功能,使您的腰背部享受到全方位的推拿按摩。
This cushion adopts the technology of the microcomputer, you can control rotatory directions of six knead head through hands , and you also can select different rhythm ways and thump dynamics of two hammmers, and you can choose single kind knead or thump function to make your waist back enjoy omni-direction -al massage.