... Video products: MP3, MP4, DVD. Sound,computer keyboard, game machine button switch;2). Digital products: digital camera, digital camera, ... products: camera, LuYinBi etc;9). Fitness equipment: run degree machine, massage chair, etc.;10).dical equipment: sphygmomanometer, clinical thermometer ... .11).Other: yanchao pen, laser pen, etc E). The package types of the game machine button switch : The tact ...