Feature 1BUILT IN MEMORY: MP3 player has built in high speed memory, which greatly satisfies your need to store songs, videos, and audiobooks, and you can enjoy your music at any time. Can insert up to 128GB Memory Card (not included). 2STABLE WITHOUT LATENCE: MP3 music player adopts high speed 4.2 Bluetooth chip, providing faster and more stable data transmission and connection, stereo sound, strong compatibility, stable signal, no delay and lagging. 3MULT FUNCTIONAL: Not only a music player, but also supports FM radio, speakers, calendar, picture browsing, video playback, electronic book reading (txt format only) and more. Can be used as a USB flash drive. You can categorize files and get folder information at any time. 4FM RADIO: The MP3 player has built in HiFi lossless HD speaker and supports wireless earphone to play music. With the built in FM radio, you can listen to your favorite radio stations and plug in the wired earphone as an antenna to search for more stations. 5SMALL AND PORTABLE: This music player is designed with classic buttons, suitable for children and the elderly. Compact and lightweight design, it can easily fit in your purse or pocket, suitable for sports, running, etc.Item Type: MP3 Player Material: Aluminum AlloyScreen Type: 1.8 Inch Color ScreenBattery Capacity: Built in 300mAh Li Ion Battery (Included)Music Function: Support MP3, WAV, WMA, FLAC, APE FormatVideo Function: Support AVI, AMA FormatPicture Function: Support JPG, JPEG FormatElctronic Book Function: Support TXT FormatBT Function: Support BT 4.2 (Compatible with Most BT Devices On the Market)Other Functions: Radio Function, Recording Function, Stopwatch Function, Dictionary Function, Built in SpeakerMemory Card: Supports Up to 128GB (Not Included) Package List:1 x MP3 Player1*Earphone1*Data Cable 1*Instruction Manual