2.0 USB mini speaker 1. Many color 2. Superior Quatlity with comepetitive price 3. Pure and elegant sound quality Specifacation:Power output:3W*2(THD=10%)S/N: ≥ 60dbFrequency Response: 90HZ-20KHZPower Voltage: DC-5VUSB Cable ,3.5 MM JackPacking:Gift Box Q'TY:60 Pairs/ CTNGW: 23KGSNW: 21.6 KGSMEAS:45*40*59CMFetures & Functions:Accompanying speaker for PC, MP3, MP4, notebook, cellphone, Ipad. ...