... the true digital repeat function to support the text in multiple languages; 5,AB repeat function, 7 kinds ... switch, such as natural, rock, pop, classical, soft, jazz, bass; 6,7 kinds of players play mode switch, ... .Otherwise it will extremely easily caused the built-in lithium battery failure and damage. 3.Pls don ... 't more than 2 hours.Pls remove hardware in computer first,then Pull out the mp3 player. ...