Features: These USB desktop speaker provide clear sound and low frequency for variety of activity. Easy to use control allow for easy adjustment of volumes on these ABS material speaker. Suitable for all computer users lookings for reliable speaker solution. Enhances your experience with works, music, movie, and game usings these mini speaker. The black design add style to any desktop while saving space. Specifications: Material:ABS Length:Approx.12cm/4.92in Color:Black Output:RMS3W Frequency:60Hz-15KHz Package Includes: 1pair Computer Speaker note: Please allow 1-2cm errors due to manual measurement,please make sure that you donot mind befores you order. Due to the differences between different monitors, the picture may not reflect the actual item color.