... , 2.USB/TF card slot 3.connect notebook computer mp3 2012 Hot Mini USB speaker with SD/TF card for mobile speaker, Mp3/Mp4 ... usb speaker, computer 2.0 speaker, notebook speaker, portable speaker, promotional speaker,Promotion gift speaker. Model:JH-MD05Product Specification:Out-put ... ×38cmLead time:15 Days Price: 2012 Hot Mini USB speaker with SD/TF card for mobile speaker, Mp3/Mp4 & computer