2.0, 3.5mm Aux in, USB powered,Class D amplifier, 50% ... output: RMS 1W*2Driver: 1.5'*2Frequency response: 100Hz - 20kHzSNR: >75 dbTHD: <5% @ 1kHzDimensions: D38*W48*H68mm CablesStereo audio cable: Black ... A-type plug (black)Speaker to speaker cable: Black, 1.2 mIt is easy to connect this stereo USB powered speaker ... A-type plug (black)Speaker to speaker cable: Black, 1.2 m