Easy to use: Speaker is USB powered, The sound bar speaker is easy to instal, simply connect the USB to your computer and you can start using it. High quality: PC Speakers 3w*2 large dual drive unit, maximum 6W output, High quality sound lets you indulge in the sea of music, Produces an impressive soundstage and has great sound quality, forget your troubles, relax, and enjoy yourself. Fashion design: Our soundbar is with unique design, stylish smooth appearance makes you feel all places get organized. Compatibilities: USB only, no need for 3.5mm AUX jack or drivers. Just plug this speaker to your computer and you can use it. Works with device that has USB port, such as PC/ laptops / tablets / projectors. Service: You will have quick start guide and our friendly hassle-free 18 Months replacement plus our lifetime customer service when you get PHISSION USB Powered Speaker, It makes your purchase absolutely risk-free and pleasant.