★Plug and play★ The USB wired speaker is very simple with just 1 cable,its ready to go just seconds after you first plug it in,no installation.Suitable for appliances with USB port,such as notebook,PC,desktop computer,television and so on | ★Independent volume knob★ The knob design can easily and accurately adjust the volume.There are blue LED lights around the knob,and you can press the knob to turn off the light | ★3D stereo surround sound★ 3D stereo surround sound with double horn and double diaphragm,the sound quality is even more amazing.The laptop speaker has excellent performance whether in high or low tones. | ★Easy and pleasant use★ The desktop speakers is perfect for music, movies, games, and works great in work, study, relaxation, parties etc. | ★A small footprint★ Size:11×2-1/2×2-1/4 inch.The small usb computer speaker can save space in a crowded desktop or workspace,1.1 metres long USB cable can be placed far enough.Small size is also portable when you travel, camping, etc