FecPecu Music Player, 16GB MP3 Player 48 Hours Playback Hi-Fi Sound, Portable Audio Player (Pink) LONG BATTERY LIFE: 48 hours playback's battery life, and only need to charge for 3-4 hours. You can charge it in computer or with the general charger which the output is "5V, 0.5-1A" SUPPORT LOSSLESS SOUND: Clear lossless stereo sound, support audio formats: MP3, WMA, WAV, APE, FLAC, and ACELP EASY TO CREATE PLAYLIST: Play the music in the playlist you created. Create playlist in your computer, then drag and drop the folders to this FecPecu mp3 player EASY TO SHUFFLE: Shuffle favorite songs in any folder or playlist which you selected, enjoy shuffle fun EASY TO SYNC WITH SONGS: Easy to sync with songs, just connect it to your computer, drag and drop the music from you computer to this FecPecu mp3 player