... in, USB powered,Sourced by aux in (cable) Volume control,LED power indicator,Class D amplifier,50% higher power It is easy ... (lime green, WHQL)USB power cable: Black, 1.5 m with USB A-type plug (black)Speaker to speaker cable: Black, 1.2 mItis ... cable: Black, 1.5 m with USB A-type plug (black)Speaker to speaker cable: Black, 1.2 m 2.0 USB powered speakers with Class ...