Main Features Signal / noise ratio ≥60db Frequency response 160Hz~20KHz Drivers 2inch x 2 Jack USB 3.5mm Physical Spec Dimension 7.48 x 6.69 x 4.33 inches Weight 1.98 pounds Wired Yes USB Yes Input Connetor 3.5mm Power Source Power 5V Warranty Manufacturing Warranty 1 year
