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User 's manual
Thank you for purchasing RUIZU mp3 play X21 music player,
please read the manual book carefully before using the device,
Specification are subject to change without prior notice.If you have any
question please contact with our after sale service.
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Summary of Contents for Ruizu X21

  • Page 1 User 's manual Thank you for purchasing RUIZU mp3 play X21 music player, please read the manual book carefully before using the device, Specification are subject to change without prior notice.If you have any question please contact with our after sale service.
  • Page 2 For safe use Warning: Fail to follow these safety instructions any result in injury.  Don’t drop or hit the unit violently,otherwise it will case serious damage or will not work properly.  Don’t open or disassemble the unit,the parts inside need no maintenance.
  • Page 3: Product Presentation

    Product Presentation 1.Power On/Off 2. Micro SD card slot 3.Back button 4. Volume + 5.Volume - 6. Play/Pause/Enter 7.Previous/Rewind/Scroll up 8.Next/Fast forward/Scroll down 9. USB Port 10. Earphone jack...
  • Page 4: Data Transfer

    Data transfer You can transfer music from your computer to the player using the drag-and-drop method or using music management software such as Windows Media player.you can simply plug it into your computer and copy over media files as if it were a hard drive. Note: The player built-in without memory, so before you want to copy music to the player,please make sure the Micro SD card is inserted.
  • Page 5: Main Interface

    Main Interface On the main interface press it will bring you to each function on the device one by one including Music,Set,Tools,Folder view, FM radio,Recordings,Albums,Play set. While it’s on the main menu interface,after you selected the functions press button to enter. Volume Adjustment When on the main menu interface or music playing interface press “+”...
  • Page 6 the related list will show as “Play mode” choose to “play music from ..”/“Repeat”/ “Shuffle”. - Play music from .. : choose to play songs from All song/artist/album/genre - Repeat ,choose to repeat off, repeat 1, repeat all and view playing. - Shuffle, choose to turn on / off shuffle mode “Sound settings ”, choose to Equalizer /Volume limit - Equalizer choose to Rock,Funk,Hip hop,Jazz,Classical,Techno,Custom and...
  • Page 7: Folder View

    -“Record format”,select a format among MP3 Rec.,WAV Rec. -“Record settings”select the record bit-rate from 32/64/128/192 Kbps Radio Select “Radio”on the main menu, click button to access to its function, A related list will show including “Presets”, “Manual tune”, “Auto tune”, “Tuner Region”.
  • Page 8 Tools On the main menu interface after selected the function “Tools” click the button to access to the “Tools” menu. In the “Tools” menu a related list will show “Calendar”, “Stopwatch”. Select “Stopwatch” and click the button to enter, click button again to start the timer,then click again to stop/resume.
  • Page 9 Restart the player if it crashed or doesn’t work. 1. Can’t turn on the player Please check if the player run out of the battery, connect the player to a adapter and try again after charging. 2. Heavy noise when playing music Please make sure the plug is clean or this may cause noise Please check if the music file is damaged, try to play other musics to confirm,Damage files may lead to heavy noise or skipping.

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