Features: brand new and high quality Small piece and easy to carry. 3.5mm audio cable can be widely for most devices with 3.5mm jack. Using upgraded dynamic coil speakers to enhance the sense of depth, presence and space, and present a three-dimensional surround effect like a live scene. In your house with the speaker, good for dancing, playing music, watching movies and playing games. At party, it will bring you an listening experience. Specifications: Material:Plastic Color:Black and Blue,Black and Red(Optional) Speaker Size:14x8.5cm/5.51x3.35in Frequency Range:20Hz-18KHz Power:USB 5V CableLength:about1.for 3m/51.18in Channels:2 (2.0) Output Power:6W Output:3Wx2 Sensitivity:500mV S/N Ratio:65dB Impedance:4 ohm Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 2x Speakers