Headphone Sport MP3 Player Built-in 4G
it can't support TF card slot,This product is especially designed to match the shape of your head.Therefore it will feel comfortable, and stay in place while doing sports.With its fashionable appearance and built-in MP3(&WMA) player with HiFi Stereo earphones (sound output up till 85dB ) you can always enjoy high quality music.When the built-in Lithium battery fully charged, it can play music for about 4 hours.
1 * MP3 player
1 * USB cable
1 * Manual