Item No.: YZM--MP3-01 Model: XJY--MP3-02 Product Type: Brand New Memory Card Type: TF Card Expansion Card: Supported Operation Mode: Keyboard Interface: USB 2.0 Headphone Interface: 3.5mm Supported Audio Format: MP3, WMA Screen Color: None Additional Function: Support Bluetooth Battery Type: Lithium Battery MP3 for students, music/listening/small talk, supports external speaker/Bluetooth, comes with earphones/charging cable, can be taken to school for testing, no network required, plug in and play Lightweight and convenient, portable player High-quality materials and exquisite design Immersive outdoor leisure experience Color: White Material: Plastic Package Contents: 1 * MP3 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.