Description
Price: $69.99 - $49.99
(as of Oct 02, 2025 00:15:16 UTC – Details)
Product description
80GB M503Pro Mp3 Player with Bluetooth and WiFi From SWOFY 
SWOFY-M503 Pro Android mp3&mp4-Player with Bluetooth and WiFi, IPS 4.0 inch full touch screen MP3 music player built-in spotify, support offline and online music and APP extension, portable FM radio and music speaker.
SWOFY M503 Pro Mp3 player Specification
Product name SWOFY M503 PRO Mp3 Player with Spotify Operating system Android 9.0 CPU Chip Core MTK6750 8-core Built-in RAM+ROM 2G RAM+16GB ROM External Memory 64GB Micro-SD Card Screen Size/Material 4 inch / Metal Body Screen resolution 480*800 pixels Battery Capacity 2000mAh Wifi Connections 2.4 GHz & 5 GHz Bluetooth version Two-way Expansion slot 512GB Micro SD / TF Card （not include） Music format MP3、OGG、FLAC、AAC、WAV、WMA、APE、M4A、DTS Video format RM、RMVB、FLV、MP4、DAT、MKV、MPG、MOV、TS E-book format EPUB、MOBl、AZW3、PDF、DJvU、CBR、CBz、WORD、DOC、DOCx、RTF、ODT、TXT、FB2、ZIP、RAR Picture format JPEG、BMP、GIF、PNG Function Bluetooth，WiFi，Download APP, FM Radio
SWOFY-M503 Pro Mp3 Player Device Support downloading apps at will, connecting to WiFi, and playing videos and music anytime, anywhere!
1 High Definition Screen
2 HIFI Sound Quality
3 Download Function
4 Qualcomm Chip
5 Ultra Long Life Battery
1 80GB Storge Space 2 Two-Way Bluetooth
Complimentary accessories 
Can this player download apps?
Yes, you can download as many apps as you want from the player store!
After disconnecting from WiFi and re-entering a WiFi zone, does it connect automatically?
Yes, after you connect once, the player will reserve the WiFi and the player will automatically connect to the reserved WiFi in the future.
The mp3 player keeps turning off every 15 mins if you‘re not using it,how to solve it?
The Auto Shutdown time can be changed by setiing. Go to Settings, scroll down and slide to Auto Shutdown option to select “Never”.
If M503Pro Mp3 player device can’t recognize by laptop or computer,what should you do?
Please make sure to plug the Mp3 player to USB 2.0 port on the laptop or computer first or get USB 2.0 driver through after sales support team: swofyservice at hotmail dot com .Please change at to @, and dot to .
If you have met battery charging or will not charge issue for using a while, what should you do?
Please drain out power and recharge it by using computer USB port to charge it fully. Mp3 player only support 5V/1A adapter. If using cell phone fasting charger Output 5.0v 2.0A charge, the IC chip in charging protection and won’t continue to charge
80GB Large Storage-The SWOFY Spotify player is designed with 8-core processor , 2GB RAM and 16GB ROM storage for smooth program execution. Moreover, the spotify music player includes a 64GB SD card that can store all the songs you’ve cherished for years, freeing up space in your phone’s memory. Additionally, the player has a memory expansion slot with a capacity of up to 1Tb.
WIFI+Bluetooth Function- The mp4 built-in Dual Band 2.4 & 5GHz with stronger resisting disturbance and more steadier wireless signal. Bluetooth 4.2 with two-way sending and receiving for a stable connection to Bluetooth headphones, Bluetooth speakers and car audio systems.
Customise Your MP3-The mp3 player with bluetooth can install additional apps and upgrade existing apps to the latest version. The music player includes a parental control feature that permits kids to download apps only with parental authorization. Meanwhile,You can easily delete the apps you don’t need to save memory. Note: The mp3 player can not install apps that require support from Google player services,such as YouTube, YouTube music . （The mp3 does not include Google player）
2000mAh Long Life Battery- This kids music player equipped with 2000mAh lithium battery and uses a low-power solution. which enables the player to continuously play 50 hours of music (Through wired earbuds )or 8 hours of video. The mp3 player has type-c charging port, 2 hours can full charge.
Excellent Audio-visual Experience- The Spotify mp3 player has a 4-inch high-definition touch screen that supports 720p and 1080p videos. It brings you unparalleled Film viewing. There are also several practical apps included such as a voice recorder, FM radio, ebook, file transfer, clock, calendar, calculator, gallery, and file manager.
Listen to a good book-The mp3 player with bluetooth and wifi comes with various popular audio book apps, including Audible, Audiobooks, Libby, LibriVox, and Kindle. Listen to a book and let it ease away your tiredness after a long day. Listening to books can be beneficial for children’s eyesight and learning.
Play Your Treasured Songs- This mp3 & mp4 players has a powerful local music player app. The mp4 player can play almost format of music you throw at it. ( MP3, WAV, FLAC, AAC, APE, OGG, M4A, WMA, MP2, etc). You can load a folder of songs into the music app with a single click using the music scan feature, and create as many playlists as you like. Find your favourite songs by typing in their names.
Kid-friendly with Parental Controls- Parents can install or remove apps (including browsers) to create a suitable mp3 player for kids. Then you can enable parental controls feature to set a password and prevent your kids from adding other apps.
Listen to Online Music- The MP3 pre-installed many of popular music apps, such as Spotify, Pandora, Amazon music,Spotify kids,Tidal, Deezer. A good choice for those who want a dedicated MP3 player or the ability to music (via Wi-Fi), but don’t necessarily want or need a phone (especially for kid who’s not ready for a phone yet!).
All-around protection-You can buy with confidence in our MP3 players, which come with a 1-year warranty and 12-hour customer service.
Customers say
Customers find the MP3 player to be a nice device with impeccable sound quality and huge storage capacity. They appreciate its user-friendly interface and consider it good value for money, particularly for low-budget musicians. The Bluetooth connectivity receives mixed feedback – while some find it amazing, others note it’s not perfect. The functionality also gets mixed reviews, with some saying it works well while others report it stops working after a month.
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