HAVING TROUBLE CHARGING MY MP3 PLAYER. PLEASE HELP

Question

I BOUGHT MY DAUGHTER A MP3 PLAYER FROM KMART AND I DONT KNOW HOW TO CHARGE IT. IT DOESNT TELL YOU HOW TO IN THE MANUAL. IT IS A AUDIOPHASE 1GB MP3 PLAYER.ITS SMALL AND BLUE,BUT I KNOW THAT THEY SELL LIKE FIVE OR SIX DIFFERENT COLORS FOR THIS MODEL.IT ALSO HAS A LITTLE SCREEN ON IT SO THAT YOU CAN PUT PICTURES ON IT.