Kingvom 8 Gb Powerful Mp3 Player with Bluetooth Transmitter Lossless Music Player Long time music playback be about 50-60 hours by earphone when full charged Supports Lossless music:WAV, APE, FLAC files Biult-in 8 GB flash memory and Support TF card upto 64 GB Built-in Speaker or use include earphone High Quality Voice Recording by MP3/WAV/ACT format