• 2000mAh Li-Polymer Battery: M503Pro has a built-in 2000mAh Li-Polymer battery that supports Type-C USB2.0 fast charging. It is designed with low power consumption and can continuously play music for 50-52 hours and watch videos for about 9 hours. It will accompany you happily when you are traveling or exercising.
• Mp3 player with bluetooth and wifi : SWOFY M503Pro MP3 player is powered by 9.0 Android with 8-core MTK chip, which makes the music player more responsive and smooth. This Bluetooth music player comes preloaded with many of the most popular online music apps, including Spotify, Pandora, Deezer, Amazon Music and more.
• 80GB Ultra Large Capacity Mega Storage: The player is equipped with built-in 2GB RAM and 16GB ROM space, a complimentary 64GB SD card, and support for up to 512 GB of external storage expansion, so you can enjoy more music and videos.
• Mp3 player with bluetooth:- MP3 player with WIFI is equipped with Bluetooth 4.2 chip with two-way connectivity technology, which allows you to connect to a variety of Bluetooth devices, such as Bluetooth headphones, Bluetooth speakers, car speakers, and cell phones in a faster and more stable way. You can enjoy your favorite music without the hassle of tangled wires, bringing you freedom and convenience.
• Powerful offline music player: M503Pro local music application has a real graphic equalizer, stores and organizes music in different playlists, has multiple built-in loop playback methods (looping list, individual loops, random playback, sequential playback), displays covers and lyrics, and even searches for songs in the database. In addition, it can play music in almost any format. (MP3, WAV, FLAC, AAC, APE, OGG, M4A, WMA, MP2, etc.)
• Mp3 player with spotify: Amazon Music Player is equipped with 4-inch full touch LCD screen with 480*800 pixels resolution and perfect touch screen. Navigation is very simple and you can switch songs easily. This Spotify player it's perfect as a gift for you, kids, wife, old man, husband!
• Charging Notes: Supports 5V/2A or 9V/2A fast charging (below 18W). If power exceeds 18W, the charging IC protects or may damage the player. For battery issues, drain power first, then use a 5V/1A adapter or computer USB with the provided cable for better battery care.