Portable Clip USB Stereo Speakers Line Controller Laptop Sound Bar for Laptop Mp3 Phone Music Player PC with Clip Feature: This speaker clip is convenient and practical, allowing you to easily clip your speakers to the screen, saving space. This USB computer speaker is powered from the USB port, so you don't need to use an extra power source. This portable speaker is a great alternative to your laptop's built-in speaker, it's plug-and-play and easy to use. Made of plastic, this mini speaker is sturdy and durable, with a smooth surface that won't feel uncomfortable to touch. This speaker is small and lightweight, so you can take it with you and use it quickly anywhere. Specification: Speaker Type: Mini Speaker Speaker interface: usb interface Horn Structure: Sealed Distortion rate: 75 (%) Impedance: 4 (ohms) Rated voltage: 3(v) Rated power: 3*2(w) Colour: Black Material: plastic + iron mesh Dimensions: 18x6.5x5.5 cm (approximately) The package includes: 1 * Speaker (1 pair) Notice: Due to different computer resolutions, there may be some color distortion. Due to different manual measurements, there may be slight errors.