ONN W8 MP3 Bluetooth Extroverted MP3 Player 8GB Sport Music Player Blue Bluetooth function, connect bluetooth earphone and bluetooth speaker Extroverted mp3, can listen music without earphone Built-in lithium battery 450mah, Rechargeable Battery Get up to 10 hours of music playback, recording up to 100 hours on a single charge with Lossless acoustics; support multiple music formats: MP3, WMA, WMA, APE, FLAC, WAV, AAC-LC. Please contact us freely with any problem