♫【What We Offer】: Smalody Speakerr×1pcs ● User Manual×1pcs, 24h friendly customer service. The overall cool design makes this computer speaker unique, it would be a wonderful gift for you and all your friends. ♫【WIDE COMPATIBILITY】: With 3.5mm line-in jack, Can be connected to many different devices. Such as: PC computer, notebook, tablet, all kinds of smartphones, MP3, MP4, game consoles, walkman, CD player, Radio, DVB and other devices with 3.5mm Audio adapte. ♫【Easy to use】: Connect the USB cable to the power supply and insert the 3.5mm audio cable into the audio output of your device (such as PC /Notebook / Smartphone). Then turn the switch to turn on the soundbar. Turn the rotating button to adjust the volume.Easy control the volume of soundbar speaker. ♫【Excellent Sound Performance】: Built-in Dual 5W High-Excursion will make you hear more clearly and further,and has a fantastic 3D stereo surrounded sound performance, Flexibly placing Fashion and portable design suits any usb device. Let you enjoy the pleasure of the high-pitched quality at the time. ♫【Stylish Design &Innovation Design】: The cool Honeycomb style design let it look very technological feel,The speaker body adopts a classic and mysterious black tone,The two sides are equipped with cool blue led lights, and the volume knob in the middle is also decorated with blue lights, the overall shape is very cool，perfect for PC games.