'-111 USB for PC MP3 MP4

independent metal knob can power on/off the device and easily adjust the , convenient to use. LED light and classical appearance makes it beautiful and all-match with the decoration style of your room. and lossless bass sound effect and stereo surrounding sound loudspeakers bring you wonderful music. 3.5mm audio plug, it's perfect for desktop, laptop, TV, smartphone, tablet PC, MP3, MP4 and more. USB-powered speaker is energy-saving and environment-f