Portable USB Speakers weigh 1.2lbs/560gram, perfect to fit your desk setup at room/office. You can also carry it out for party/camping, and other outdoor activities to play and enjoy music. 3.5mm AUX for Great Compatibility - usb-powered computer speakers are 3.5mm AUX for audio input. You can connect the 3.5mm AUX cable to the headphone jack on your devices including different kinds of PC, laptop desktop computers, tablets, cellphones and other mobile devices. Cable length is 4.9ft/150cm. Big Dial Volume Control - monitor speakers with a big dial, you can clockwise rotate the dial to turn up the volume level, and anticlockwise rotate it to turn down the volume or Power Off the speakers. Clear & Crystal Audio - these laptop speakers are featured with 5W*2 powerful driver units, tuned by acoustics expert; you will enjoy clear and loud audio, well-balanced highs & mids with enhanced bass. Simple Computer Sound Bar - Jeecoo A30 desktop speakers dimension 13.78*2.56*2.56in, a mini pc sound bar with clear & smooth figure, simple but modern design, well match your desk setup.