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录音卡──超薄录音机日本夏普公司生产出一录音卡，这种录音卡只有信用卡般大小，可录下３分钟讲话。而且在录音过程中，还有ＬＥＤ显示。并可以扩充记意体，使录音时间加长。录音卡──超薄录音机...
Recording card ─ ─ Slim Voice Recorder Japan’s Sharp Corporation to produce a recording card, this recording card only credit card size, can record 3 minutes speech. And in the recording process, there are LED display. And can expand the mind, so that the recording time longer. Recording card ─ ─ Slim tape recorder ...