







🎧 Elevate your soundtrack — anytime, anywhere, all day long!
The SWOFY M503 Pro is a sleek 80GB MP3/MP4 player featuring Android OS, a powerful MTK 8-core processor, and 2GB RAM for smooth performance. It supports expandable storage up to 512GB, dual-band WiFi, and two-way Bluetooth connectivity. Enjoy up to 50 hours of music playback on a single charge with its 2000mAh battery and fast USB-C charging. The 4-inch full-touch IPS screen delivers HD video playback, while the HiFi sound module supports multiple lossless audio formats for premium sound quality. Perfect for professionals seeking a versatile, portable entertainment device with access to Spotify Kids, Audible, and Amazon Music.






| Brand | SWOFY |
| Manufacturer | SWOFY |
| Model | M503 Pro |
| Model Name | M503 Pro |
| Package Dimensions | 14.71 x 14.71 x 2.11 cm; 249 g |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item model number | M503 Pro |
| Memory Storage Capacity | 80 GB |
| Digital storage capacity | 80 GB |
| Compatible Devices | Bluetooth Headphone, Personal Computer, Speaker |
| Special Features | Built-In Speaker, Equalizer, FM Radio, Video Playback, Voice Recorder |
| Mounting Hardware | 1*Clear Protective Case, 1*SWOFY 80GB Bluetooth MP3 Player Blue, 1*USB Type-C Cable, 1*User manual, 1*Wired Earbud |
| Number of items | 1 |
| Display Technology | LCD |
| Standing screen display size | 4 Inches |
| Display Type | LCD |
| Supported audio formats | MP3, OGG, FLAC, AAC, WAV, WMA, APE |
| Power Source | Battery Powered |
| Battery Average Life | 47.5 Hours |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery cell composition | Lithium Polymer |
| Wireless Type | 2.4 GHz Radio Frequency, 5 GHz Radio Frequency |
| Connector Type | Bluetooth, USB, Wi-Fi |
| Compatible media type | RM, RMVB, FLV, MP4, DAT, MKV, MPG, MOV, TS Video |
| Media type | Micro SD |
| Includes Rechargeable Battery | Yes |
| Manufacturer | SWOFY |
| Country of Origin | China |
| Item Weight | 249 g |
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