... /TF/FM/LCD lyrics display *USB power input Best-selers 2.0ch USB Speaker(Jonter V309) Usage Instruction:1.unique design ... ,Mp3,vedio game,ipod,etcTechnique parameters: 1Model: Jonter V3092Channel: 2.0ch3Speaker Specifications: 2 OHM 4Output power: 4W+4W5Frequency response: 90Hz-20KHz6Sensitivity: 80db±2db7Distortion ...