







🎵 Elevate Your Sound Experience!
The SWOFY M503 Pro MP3 & MP4 Player is a versatile multimedia device featuring 80GB of internal storage, expandable to 512GB. It boasts a powerful 2000mAh battery for up to 50 hours of playback, dual-band WiFi and Bluetooth connectivity, a 4-inch touch screen, and HiFi sound quality for an immersive audio-visual experience.






| Color | Red |
| Compatible Devices | Personal Computer, Headphone, Speaker |
| Supported Media Type | Micro SD |
| Supported Standards | RM, RMVB, FLV, MP4, DAT, MKV, MPG, MOV, TS Video |
| Battery Average Life | 50 Hours |
| Display Technology | LCD |
| Memory Storage Capacity | 80 GB |
| Screen Size | 4 Inches |
| Additional Features | Video Playback, Voice Recorder, Equalizer, FM Radio |
| Connectivity Technology | Bluetooth, Wi-Fi, USB 2.0 |
C**N
Works perfect for what I needed it to do.
I like the profile and functionality of it. I got it specifically to be able to run SiriusXM on it while in the shop on bluetooth and wifi so i didnt have to run the app on my phone anymore.It took about 5-10 minutes to set it up and with the Android software, it was simple. after charging it, I was up and running in no time.It took me longer to delete the apps I have no use for or was never going to use.It seems quick and intuitive, very clear, quality display. Clean and simple.I havent put any songs on the SD card yet and wasnt intending to as it was purchased specifically for the Bluetooth, wiFi and being able to use my SiriusXM and its worked perfectly so far for my application.
A**R
"...At best, junk; and at worst, a danger..."
08/06/2025Back to 1 star. This mp3 player overheated and corrupted the microSD, losing valuable data. Just don't buy this.07/28/2025I'm updating my review after a few months of usage to two stars. I would like to acknowledge the seller, who did offer me a full refund. However, I was tired of the situation and never took them up on it. They do deserve credit for that. Also, I've gotten too used to devices arriving with some state of charge in them; this mp3 player was just dead. A good charge fired it right up.The Good:1) It's a neat size and fits comfortably in my hand. I'm more accurate on its smaller screen keyboard than I am my 6.5" phone. 2) USB-C! One plug to charge them all!3) And it's cute, I really like the red color and the "glass"(?) back, it's very aesthetically pleasing.4) Storage. The accompanying 64gb MicroSD makes this a storage powerhouse for its diminutive size.The Bad:1) It will forever be the battery issue. I don't know what kind of battery it is, but it is not managed well by the device. It will get extremely HOT with extended usage, even with screen dimmed completely. You should NOT leave this device unattended to charge, it is a fire risk. It CAN be charged, but only if the device has been left to cool completely.2) This version of Android is outdated. I'm never on the cutting edge of technology, but the fact that I cannot simply insert a USB stick (with adapter) and load/unload files is sad.3) Wireless connectivity issues. I specifically purchased this to play white noise at night while I sleep. Whenever connected to my Bluetooth speakers, this specific device will suddenly and constantly lose all wireless connectivity, it disconnects from my Bluetooth (with accompanying signal sound) and loses Wi-Fi connection, then randomly reconnects 30 seconds later. To be clear, this is not an issue at all with my speakers, Wi-Fi, or with any of my other devices newer and older; just THIS mp3 player.Conclusion: Don't buy this, especially for this price. The seller seems to be a nice person, but they're unfortunately selling, at best, junk; and at worst, a danger to the user and their home.Original Review: 1 starI bricked the first one with an accidental factory reset, but the device doesn't display the option to log into your Google account to unlock it. So I ordered a second one, and this one doesn't even turn on.For the 20 minutes I did have a working MP3 player, I was concerned by how warm it got so quickly.I'm getting my money back. Save yours.
H**.
Responsive
This player has excellent features, is easy to use and it is responsive. The touch screen is responsive and easy to use, it has plenty of room for all my apps, and the music and videos are crystal clear.
E**E
Works, but not well and not for long
Good if you need it for a job where you can’t use phones… for a while. Processor is garbage, runs super slow, can only have two apps open at once so if you want to connect headphones through bluetooth it closes your music app, overheats like crazy and battery only lasts about 2 hours with wifi on, and the charging port on the device just died on me today after only 3 months of use.
M**.
Looks nice
Could never get it to work & instructions weren’t very clear or helpful.
R**T
Great for workouts
No wires Bluetooth earbuds and any Playlist from your favorite musical source.
M**R
Many of the features of a phone
I use this mainly for audiobooks. I wish it didn't have a shuffle-you have to be careful that the shuffle it always off for audiobooks. Other than that it is fine. It has wi-fi. You can download stuff. It has bluetooth.It seems well-designed. It does not come with a music player but you can download them for free. I do wish I could get a case for it. I have dropped it several times already but it has survived!
R**N
Cant Downlad songs from your PC to this Player
I bought several MP3 players in the past as gifts. Every one of these MP3 player plus android phone allows you to download songs from your PC to a SD card. When I initially pulled the SD card from the Player, I was able to download songs to it. However when I put the card back into the player, it required me to reformat the card. This MP3 player then wipes out the songs I loaded onto the card then formats the SD card in a propriety format for supposedly security reason. Now that SB card had been loaded, but not in a format windows can access or even reformat. How stupid is that. This MP3 player is also confusing to use and a waste of money. When I emailed for tech support they just told me to download from my PC directly to the SD card and didn't even understand that it won't work. I returned the player.
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