Fashion & Stylish Design, Super Bass, Excellent Sound Quality, Optimum Confort Wearing, Frequency Range : 20-20000Hz, Laudhailer diameter : φ40mm, Sensitivity : 110dB±3%, Impedance : 32 Ohm, Max. power input : 100mW, Cable length : Approx. 1.5m, Plug (mm) : 3.5 stereo