1.speaker support USB,TF card 2.Support MP3,MP4,CD,DVD,mobil,laptop 3.fashion round shape 4.suitable for mobile Rechargeable portable speakers for mobile phones or using USB, tf card Item No.: MS-31Features:1=>with FM radio2=>be fit for USB disk3=>be fit for TF card4=>Loudspeaker output: 1*3w5=>Lithium ion battery output: 3.7V6=>Color:Black /silver / Blue /Burgundy Red7=>Housing:aluminum alloy8=> ...