Package Included: 1 x USB Speaker (other decorations not included) Specifications: Material: Plastic, Metal Color: Black Power Supply: USB Voltage: 5V 1/2A Power: 6W Headphone Jack: 3.5mm Overall Dimensions: 31 x 6 x 6.3 cm / 12.2 x 2. 4 x 2.5 inches (approx.) Features: Stereo sound quality built-in dual 3W enhanced passive speakers. This speaker provides you with clearer music quality. A great addition to your own laptop for clean stereo sound. You can enjoy music or games without annoying distortion, interference or noise. Plug and play USB powered, no drivers required. You just plug in the USB cable and the 3.5mm cable and you're ready to go. There is also a volume control, which is very convenient to use and does not require more complicated operations. Ultra-thin design and mini size Very elegant design, smooth surface and good appearance. The size is 31*6.3*6.0 cm. Very convenient to transport and save space. Wide Compatibility No more downloading various drivers, this USB speaker is compatible with Windows, Net Ware, Unix, Linux and more. Works with all devices with USB port and 3.5mm jack.