Brand New Ravon U222 speakers for Windows Media & iTunes ?

Brand new speakers got them as a gift were bought for 39.99£. Great for mobility as well & have control buttons on the side. see the features below Features • High performance USB Speaker • No external power needed • Built in DA Decoder • Full control of the Windows Media or iTunes with Play/Pause, FFD/BKW, Volume Up/Down and Mute • Blue LED power indicator • Detachable stand to mount the speakers into one speaker bar • Foldable stand with 15° tilt angle for wider sound dispersion • 2" active driver with a 2.5" passive driver per each channel • Cool matt black grill with textured plastic cabinet Specifications • Total Power Output: 2 x 1 Watts • Frequency Range: 20Hz - 20KHz • Separation: > 40dB • S/N ratio: > 65dB • THD: <0.7% • Dimensions: (W) 6.7cm x (H) 15.2cm x (D) 7.5cm • Weight: 550g • Brand: Ravon • Model: U222