Body material: MetalDisplay: 1.8 Inch, resolution 160 * 128Operation key: touchMemory: The player has no memory and needs to insert a memory card before it can be used.Tfcard expansion: the maximum support is 128gtf card expansion.Bluetooth version: 5.0. Can connect Bluetooth headset and Bluetooth speaker.Music format: ape, FLAC, AAC, MP3, WAV and other formats are supported,Equalizer: Yes, you can choose 6 music styles. Rock, funk, shiphoughton, jazz, classical, electronic.Playback mode: repeated playback and random play, all circular play. You can continue the last play.Video: support avi format video with resolution of 160 * 128. Video format needs to be converted through video converter, we can provide video converter.A-B repeat: Yes. Repeat up to 10 times. The maximum repetition interval is 10 seconds.Variable speed playback: supported. 14 levels of variable speed playback.Recording: support. Recording format wav.Radio: support. The headset needs to be plugged in as an antenna, which supports 87mhz-108mhz frequency band. It supports FM recording, automatic tuning, manual tuning and channel saving.E-book: it supports TXT format, automatic play, automatic play time, font size, background color, and player to delete e-book. You can choose the number of pages. Bookmarks are supported.Language: Support Chinese and English.Calendar: supportStopwatch: supportAlarm clock: supportPicture: supportPackage Contents:1*MP3 Player1*USB Cable1*Instruction manual