... material Any color is available 1.Reader function: plug in TF card, con- nect to computer by USB 2.0 cable ... 3.Play type: MP3,WMA,WVA format, maximum capacity 32GB TF card.4.Sound design: Use best horn, ensure HI- ... flashing, light stop, the battery is full of power. 7.Press on/off button, it shut off auto after 30s ... ,running,doing housework,fixing things Popular wireless headset with TF card player