1=>with FM radio
2=>be fit for USB disk
3=>be fit for TF card
4=>Loudspeaker output: 1*3w
5=>Lithium ion battery output: 3.7V
6=>Color:Black /silver / Blue /Burgundy Red
7=>Housing: aluminum alloy
8=>internal Lithium battery:BL-5C (500MA)
9=>outside magnetic trumpet