SWOFY M503 Pro 80GB MP3 MP4 Music Player Bluetooth WiFi

Designed as a pocket media hub, the M503 Pro runs Android on an 8‑core MTK6750 chipset and ships with a 64GB card (80GB model total storage), user-expandable to 512GB. It supports lossless audio files, HD video playback, and preinstalled streaming services so you can switch between a local music library and apps like Spotify or Amazon Music without carrying a phone.

How does the M503 Pro manage both local files and streaming apps?

The player supports a dedicated local music app and also installs major streaming platforms so you can use either source. Local playback handles a wide range of file types while Android gives you direct access to streaming accounts over Wi‑Fi or mobile hotspot.

• Local formats: MP3, FLAC, WAV, AAC, OGG, APE, WMA and more.
• Preinstalled streaming: Spotify, Amazon Music, Deezer, Apple Music, HIBy Music.
• Online and local playlists accessible from one interface.
• Chrome browser included for web access and additional apps.

What are the screen, video, and audio playback capabilities?

The device features a 4" IPS touchscreen at 480×800 resolution for crisp menus and video playback. A Hi‑Fi sound module improves headphone output while the MP4 capabilities let you watch many common video formats on the go.

• 4" IPS full‑touch LCD, responsive for navigation and video viewing.
• Video support: MP4, MKV, AVI, RMVB, MOV, FLV, TS and others.
• Hi‑Fi audio module supports detailed listening with compatible headphones.
• Clear category sorting by title, folder, artist, album, and genre.

How long does the battery last and what about charging?

The internal 2000mAh battery uses a low‑power design to deliver long music playback times. Typical continuous audio playback ranges from about 45 to 50 hours depending on brightness and volume; video playback lasts roughly four hours.

• 2000mAh Li‑Ion battery; optimized for extended music sessions.
• Approximately 45–50 hours audio playback under normal conditions.
• About 4 hours of continuous video playback at standard brightness.
• Use 5V/1–2A or 9V/2A chargers; avoid >18W to prevent charging protection triggers.

How does connectivity and storage expansion work?

The M503 Pro includes Bluetooth for wireless audio and Wi‑Fi for online access and app use. Internal storage plus microSD expansion gives flexibility for large music and video collections.

• Bluetooth compatible across versions for headphones, speakers, and car systems.
• Wi‑Fi lets you stream and download from apps or browse with Chrome.
• Ships with 64GB card; supports microSD expansion up to 512GB.
• USB‑C port for charging and data transfer; downward and upward Bluetooth compatibility.

Who is this for? The SWOFY M503 Pro is ideal for listeners who want a dedicated portable player that bridges high‑quality local playback and mainstream streaming services without relying on their phone. It suits commuters, travelers, and anyone building a large offline library or watching occasional videos, especially those who value long battery life, expandable storage, and tactile touchscreen control.