Features:OOTDTY   Function: Bluetooth-compatible,Music Player,Recording, Radio,Alarm Clock,Video,Pictures,EBook;This Mp3 player built-in bluetooth-compatible 5.2,provide faster data transfer speed and more stable connection;With professional decoding chip, noise reduction chip, and mature HiFi technology;Support MP3/WMA/FLAC/WAV/OGG Format;Lyrics synchronized display;Specifications: Material:ABSLength:Approx.10cm/3.94inOption Type:MP3 Player with 4GB Storage;MP3 Player with 8GB Storage;MP3 Player with 16GB Storage;MP3 Player with 32GB Storage;Charging : About 1.5Hours Lyrics Display:Lyrics synchronized displayColor :BlackEnxpension Card: Support Up to 128GBBluetooth-compatible Version: 5.2Video Format: AMV/AVIPicture Format: JPEG/BMP Format: MP3/WMA/FLAC/WAV/OGGPackage Includes: 1x MP3 Player1x Cable1x ManualNote: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.