SWOFY M4 Mp3 Player with Bluetooth Built-in 64GB high-capacity storage space supports up to 128GB TF card expansion.Bluetooth 5.3, provides stable and fast transmission to your earphones, headsets, and speaker. (Please note: cannot be paired with mobile phone).
Built-in 64GB Large Capacity
Comes with 64GB built-in memory to ensure you save over 10,000 high-quality songs and support 128GB memory expansion, so no need to worry about memory
Line-in Voice Recording
You can not only record the surrounding voice,but also record music from your smartphone and store it in the MP3 player by connecting the audio cable.
Read E-Book
Adjustable font size, optional background, bookmark and screen brightness settable.
Voice Recorder
You can easily record important moments like meetings, lectures, interviews etc.Won't miss an important message anymore!
