Stereo pc speaker laptop speaker 20 pc speaker system power and volume controls on right speaker 2 year warranty series logitech z colour black transmission mode cable analogue input 35mm jack input line in power rating 1 watt frequency response 20 20000 hz speaker system 20 system system active power supply usb suitable for notebook cdmp3 player desktop pc dimensions w x h x d 11 8 x 17 8 x 12 2 cm weight 067 kg