Rechargeable CD PlayerWith a built-in 1500mAh battery, there is no need to use AA batteries or always plug the charging cable into the CD player when playing music. The portable CD player can be fully charged in 4 hours. Playback endures 8 hours with the included earphone and 5 hours with a built-in speaker. Portabel CD Player with SpeakerThis portable cd player is with a built-in speaker which produces loud sound, so listening directly from the speaker is another option than wearing the provided stereo earphones. It is also an outdoor speaker, which could be taken and used where you go. Anti-Skip & Memory playingThe CD walkman has an Anti-Skip function to ensure uninterrupted playing even when exercising or driving. And this function will be activated automatically once we turn on the player. The memory playing function enables us to continue playing the track played the last time we turn off the player. Wide CompatibilityThis compact CD player can support most CD format