Features 2.4GHz wireless digital stereo 1:1 transmission Rich,Powerful ... bass effection Specification:-Speaker: 1.5” 20w tweeterX2;2.4” 20w wooferX2 -RC of power,Vol +/-,Play ... : indoor approx 20m,outside approx 40m -Waterproof -2.4G digital wireless transmitter/receiver Solution -Good sound with Sub woffer ... Audio Cable 1X User’s manual book 2.4GHz multimedia 3d wireless stereo super sound speaker