Bluetooth MP3 with Memory Card MP4 Music Player Student Version Lossless HIFI MP5 Specification: Product Name: MP3 Product colour: Black Package size:14.5x8.8x4.5cm/5.71x3.46x1.77inch Gross weight:185g/0.41lbs Bluetooth version:V5.3 Battery capacity:300mAh Features: Lossless Bluetooth, Bluetooth wireless technology standard configuration, strong and stable signal support Bluetooth headphones, Bluetooth speakers and other receiving Bluetooth devices leather texture, delicate touchscreen directly to the fingertips delicate grain, elegant and suitable for hands Support memory card expansion, when the memory is not enough, you can expand a larger memory card, your favorite movies and music, learning materials, all saved in it, inserted to read (you can choose our different memory configurations, you can also match your own) Lossless music playback custom sound adjustment, support MP3/APE/FLAC/WAV/WMA and other multi-format lossless music Built-in high-density lithium battery, high-capacity lithium- battery, optimize power consumption, use more OTG cell phone direct connection, not support computer USB download, but also support cell phone download more convenient MP3 plug in the headphones can listen to recordings / songs, the machine can be directly up and down song switching, as well as volume adjustment Package Include: 1x MP5 1x Specification 1x USB cable