Kingvom 8gb 50 Hours Continuous Playback Mp3 Player with Bluetooth Transmitter Hi-fi Music Player White Longtime music playing be about 50-60 hours by earphone when full charged Support Lossless music for WAV APE FLAC Built-in 8 GB flash memory and Support TF card upto 64 GB High Quality Voice Recording by MP3/WAV/ACT format Buit-in Loud speaker