Demon MM211 - Mp3 player Manta - Free user manual and instructions
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| Product Type | MP3 Player |
| Brand | Manta |
| Model | Demon MM211 |
| Display | LCD digital display |
| Built-in Storage | 8 GB internal memory |
| Expandable Storage | microSD card slot up to 32 GB |
| Supported Audio Formats | MP3, WMA, WAV |
| Battery | Rechargeable lithium-ion battery, 400 mAh |
| Playback Time | Up to 20 hours of music |
| Charging | Via USB 2.0 cable, full charge in 2 hours |
| Ports | 3.5 mm headphone jack, micro USB |
| Radio | FM radio with station presets |
| Voice Recording | Built-in microphone for voice memos |
| Dimensions | 4.2 x 2.1 x 0.6 inches |
| Weight | 1.8 ounces (50 grams) |
| System Compatibility | Windows XP/Vista/7/8/10, macOS |
| Accessories Included | Earphones, USB cable, user manual |
| Maintenance | Wipe with a soft dry cloth; keep away from moisture |
| Safety Precautions | Do not disassemble or expose to heat/water |
| Repair and Spare Parts | Contact authorized Manta service center |
Frequently Asked Questions - Demon MM211 Manta
How do I charge my Demon MM211?
Connect the included USB cable to the micro USB port on the player and plug the other end into a computer or USB adapter. The battery indicator will show charging status. A full charge takes about 2 hours.
How do I transfer music files to the player?
Turn on the player and connect it to your computer via USB. It will appear as a removable drive. Drag and drop your MP3 files into the music folder. Then safely eject the device.
How do I reset the device if it freezes?
Press and hold the reset button (or power button for 10 seconds) to force a reboot. If that doesn't work, connect to a charger to wake the battery.
How can I use the FM radio?
Navigate to the Radio mode from the menu. The player can auto-scan for available stations. Save your favorites by holding the confirm button.
How do I make a voice recording?
Select the Voice Recorder function, then press the record button to start. Press stop to save the file as a WAV file.
What should I do if my computer does not recognize the MP3 player?
Try a different USB port, ensure the cable is data-capable, and check if the player is in USB mode (not charging mode). Restart your computer or reinstall the driver.
How do I extend battery life?
Lower the volume, disable the backlight when not needed, and use the built-in equalizer rather than heavy bass boost. Also, turn off the device after use.
How do I organize my music into folders?
On the SD card or internal memory, create folders by artist or album. The player will list folders when you select Library > Folders.
Why is there no sound on my player?
Check that the headphones are firmly connected, the volume is up, and the file is not corrupted. Also ensure the device is not in mute mode.
How do I clean and store the device?
Use a soft dry cloth to wipe the screen and body. Keep the player in a dry place away from extreme temperatures. Do not use solvents or immerse in water.
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USER MANUAL Demon MM211 Manta
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Product information
Brand : Manta
Model : Demon MM211
Category : Mp3 player