Product Details OUTPUT POWER:3W*2(RMS) IMPENDANCE:4 ohms POWER INPUT:DC 5V DRIVER SIZE:2 INCH*2 FREQUENCY:200HZ-16KHZ SIZE:72*82*120mm 2.0 stereo computer speakers,games,music and movies a variety of enjoyment. the speakers small and loud ,will not take up too much space on the desktop. Dynamic RGB lights,the desktop is more cool. Elevation angle design makes sound propagation direction closer to the position of ear . 3.5mm stereo audio input. Long wire control,practical and easy to operate . TIPS: 1.)In order to protect your hearing and extend the service life of the product,it is not recommended to adjust the speaker with a high volume for a long time . 2.)Children under three years old are not allowed to use the speaker.