1) Type: Stereo Earphone 2) Character: popular, crystal sound 3) Driver unit: 16mm.6u 4) Impedance: 32 5) Sensitivity: 106dB/1mW 6) Rated power: 3mW 7) Frequency response: 20-20kHz 8) Inserter stereo: 3.5mm 9) Packaging: PP bag/PE bag 10) Excellent gift box