
屏幕
屏幕尺寸呀,现在2.0比较普及,3.0就是比较大的,你可以看看图片,给老人还是买个
屏幕大点的吧,看的比较清楚
Google.cn/images?hl=zh-CN&q=2.0%E8%8B%B1%E5%AF%B8&um=1&ie=UTF-8&sa=N&tab=wi">http://images.
Google.cn/images?hl=zh-CN&q=2.0%E8%8B%B1%E5%AF%B8&um=1&ie=UTF-8&sa=N&tab=wihttp://images.
Google.cn/images?hl=zh-CN&um=1&newwindow=1&sa=1&q=3.0%E8%8B%B1%E5%AF%B8&aq=f&oq=