【2.01.1 System Compatibility】: Works with all USB 2.01.1 devices, such as PCs/Laptops/Tablets/Computers 【Excellent Sound Performance】：Combined with two powerful high-quality speakers, this soundbar delivers fantastic sound performance surrounded by 3D stereo, flexible placement of fashion, and the portable design fits any USB device. This computer speaker can perfectly match any computer and make your home tidy. 【Easy to Use】Simply plug into an available USB port and enjoy the rich stereo sound.Tips: The computer USB speaker has no volume knob 【Compact and Slim Design】Small size (3.9x3x1.2 inches), comes in a space-saving size and is designed and manufactured to fill your desk, your study room, or any other corner of the house with music, movies, games, an audiobook, or an online conference with ease 【Suitable for Everyone】Perfect for your home, office, school, and any other place, also a perfect gift for your friend and family.