Features： 1.Multifunction: MP3 player has built in music, ebook reader, picture viewer, video, recorder, wireless, alarm clock, card reader and other functions. 2.Memory Card: MP3 player needs to insert the memory card (not included) into the Mp3 player and use it, support memory card expansion card up to 64GB (not included), enjoy the music you want. 3.Bluetooth 5.0 technology: MP3 music player uses Bluetooth 5.0, which provides faster transmission speed, longer connection distance and stronger anti interference ability. 4.HiFi Stereo Sound: Fidelity HD speakers, superior sound decoding chips, restore the most original sound, immerse yourself in your music world. 5.Easy to Use: MP3 player adopts a 1.77 inch TFT color display, which is more convenient to use and read. Small and lightweight, it fits in your pocket and is easy to carry for running, gym, walking, traveling. specification：Item Type: MP3 Player Material: Plastic Size: Approx. 52.5x40.5x11.5mm / 2.07x1.59x0.45in Screen Size: 1.77 inch TFT Color Screen Resolution: 128x160 Pixels Bluetooth: 5.0 Supported Sound File Types: MP3, WMA, FLAC, WAV, APE Support Video File Type: Support AMV, AVI (Requires Conversion Tool Support) Supported Image File Types: JPEG, BMP, GIF Supported E Book File Type: TXT Radio: Yes External Expansion Memory: Support Memory Card Expansion Card Up to 64GB (Not Included) Battery: 250mAh Lithium Battery (Shipped with Battery) PackageList： 1 xMP3Player 1 x Headphones 1 x Charging Cable Note：1. It is a bluetooth transmitter, not a receiver, and cannot be paired with a phone or computer 2. Please allow some error in manual measurement.