... 3.Support TF card and USB flash disk Portable mini speakerDetail products descriptionMain Features1 computer speaker,also for mobile ... by USB wireColors AvailableGreen, Blue, Red, OrangeConfigurations:1 Mini USB port2 On/off power switch3 Power indicatorTechinical Data:Rated ... 4.5CMWhole Set Total Weight105gMain function:1, excellent tone quality,with wallyson dual channel stereo.2, USB power supply.3, ...