... Mobile , MP3 ,PC speaker, 2.USB mini speaker 3.Play SD,TF card ,USB Flash memory sprot music protable speakerSpecefication: Frequency : 150 ... USB port of computer SIZE : 160*50*50MM Colour : red/ Green /Blue/ silver/black packing : gift boxFetures:1.Built-in flash memory ... velvet bag, fixing device, string 8. Built-in rechargeable battery, USB port charging through PC 9. All function in one interface ...