Compatibility: PC, Notebook, Tablet, Mobiles, MP3 3.5mm stereo audio pin and standard USB connector Power: USB 2.0 Power Supply/DC 5V Cable length: 1.35m Signal to noise ratio: ≥ 80dB Impedance: 4Ω Frequency response: 90Hz-20KHz Max. output power: 3Wx2 Max. input power: USB DC 5V
