SY-7904 - Mp3 player Sytech - Free user manual and instructions
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| Type | MP3 Player |
| Brand | Sytech |
| Model | SY-7904 |
| Dimensions | Approx. 90 x 40 x 10 mm |
| Weight | Approx. 50 g |
| Power Supply | Built-in rechargeable lithium-ion battery, 3.7 V, 200 mAh |
| Charging | Micro USB port, DC 5 V, 500 mA |
| Internal Storage | 8 GB (available capacity may vary) |
| Expandable Storage | MicroSD card slot, supports up to 32 GB |
| Audio Formats | MP3, WMA, WAV, FLAC |
| Display | 1.8-inch TFT color screen |
| Controls | Play/Pause, Volume +/-, Next/Previous, Menu |
| Headphone Output | 3.5 mm stereo jack |
| Connectivity | Micro USB for charging and data transfer |
| Functions | Music playback, voice recording, FM radio, folder navigation |
| Playback Time | Up to 15 hours (music, varies by volume and format) |
| Charging Time | Approx. 2 hours |
| Safety | Keep away from water and heat sources; do not disassemble; use only approved charger |
| Cleaning | Wipe with a soft, dry cloth |
| Spare Parts | Stereo earphones, USB charging cable (included) |
| Reparability | Not user-serviceable; contact Sytech support for repairs |
Frequently Asked Questions - SY-7904 Sytech
How do I turn on the Sytech SY-7904?
Press and hold the Play/Pause button for about 2 seconds until the screen lights up.
How do I charge the device?
Connect the included micro USB cable to the device and a USB power source (computer or wall charger, 5V 500mA). The battery icon on the screen will indicate charging.
How do I transfer music to the MP3 player?
Connect the device to your computer via USB. It will appear as a removable drive. Simply drag and drop your music files (MP3, WMA, WAV, FLAC) into the desired folder, then safely eject.
What audio formats are supported?
The device supports MP3, WMA, WAV, and FLAC formats.
How do I reset the device if it freezes?
Insert a small pin or paperclip into the reset hole (usually located on the side or bottom) and press gently. Alternatively, hold the power button for 10 seconds.
What is the battery life?
The built-in battery provides up to 15 hours of music playback, depending on volume and file format.
Does it support Bluetooth?
No, the Sytech SY-7904 does not have Bluetooth. It uses a wired headphone connection via the 3.5mm jack.
How do I adjust the volume?
Use the Volume + and Volume - buttons on the side of the device.
Can I use a microSD card?
Yes, you can insert a microSD card (up to 32 GB) into the slot to expand storage. The card will appear as a separate folder.
What should I do if the screen is blank?
First, ensure the device is charged. If still blank, try a reset. If that doesn't work, connect to USB to see if it is detected by your computer. If not, contact Sytech support.
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USER MANUAL SY-7904 Sytech
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Product information
Brand : Sytech
Model : SY-7904
Category : Mp3 player