... ,CD,DVD,Ipod,mobile phone,laptop 2, Material: ABS 3, Led flashlight portable laptop speaker support FM&TF card Unit size ... for USB disk3.be fit for TF card4.with LED display screen5.with LED flashlight.6.Loudspeaker output: 2*2w7.Lithium ion battery ... advance.1. Turn on the speak, then you will see led light up.2. Plug in TF/Micro sd memory card ...