配置了SD读卡器及USB接口，用户可以通过附赠的音频线将它与电脑等设备连接，播放音乐。
SD card reader and configure the USB interface, user can pass throw in audio line will be it with computers, music, play device to connect.
配置了SD读卡器及USB接口，用户可以通过附赠的音频线将它与电脑等设备连接，播放音乐。
SD card reader and configure the USB interface, user can pass throw in audio line will be it with computers, music, play device to connect.
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