Features: 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 audio decoding chip, noise reduction chip, and mature HiFi technology; Support MP3/WMA/FLAC/WAV/OGG Audio Format; Lyrics synchronized display; Specifications: Material:ABS Length:Approx.10cm/3.94in Option Type:MP3 Player with 4GB Storage;MP3 Player with 8GB Storage;MP3 Player with 16GB Storage;MP3 Player with 32GB Storage; Charging Time: About 1.5Hours Lyrics Display:Lyrics synchronized display Color :Black Enxpension Card: Support Up to 128GB Bluetooth-compatible Version: 5.2 Video Format: AMV/AVI Picture Format: JPEG/BMP Audio Format: MP3/WMA/FLAC/WAV/OGG Package Includes: 1x MP3 Player 1x Cable 1x Manual note: 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.