Feature:1. Superior Sound Quality: Mini computer stereo speaker, provide clear quality sound, lower distortion. Give you an excellent listening experience. Applicable for tablets, PC, laptops, etc.2. Volume Control: The mini computer speaker is even easier to use an online controller that lets you quickly adjust the volume of the speaker without changing the volume on your device.3. 3.5mm Plug: The 3.5mm plug can quickly connects to most computers and mobile devices. The plug needs to be connected to the computer to run the sound.4. Built for Travel: The small wired laptop speaker has compact shape and durable construction mean you can enjoy sound anytime, anywhere, perfect for your laptop bag, briefcase or schoolbag.5. USB Powered: Both mini computer speakers get all power from A USB connection, so you don't have to worry about finding a socket or carrying an adapter with you.Specification:Item Type: Mini Computer SpeakerMaterial: ABSModel: A2Color: BlackFeatures: AmplificationRange of Use: Tablet PC, Desktop Laptop, etcSNR: 85 dBFrequency Response: 25Hz~20KHzDistortion: 0.5%Impedance: 4.Package List:1 x Mini Computer Speakers (1 Pair )