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在因特网日趋走俏的今天，继 Ｗａｌｋｍａｎ、Ｄｉｓｃｍａｎ、ＭＤ之后，ＭＰ３播放器将成消费新热点。帝盟（Ｄｉａｍｏｎｄ）公司推出的Ｒｉｏ５００数字音频播放器，以其强大功能和出众的特点成为时尚产品。 Ｒｉｏ ５００重７８ｇ，体积为９．１ｃｍ×６．２ｃｍ××１．
Today, the Internet is becoming more and more popular, MP3 players will become the new hot spots after Walkman, Discman and MD. The Rio 500 digital audio player introduced by Diamond is a stylish product with great features and outstanding features. The Rio 500 weighs 78g and has a volume of 9.1cm × 6.2cm ×× 1.