Hot Headphone,Wholesale china

Feature: 　　Drive unit: 40mm 　　Frequency response: 20-20KHz 　　Impedance: 32Ω 　　Sensitivity: 110＼3dB 　　Distortion :< 1% 　　Rated Power: 15mW 　　Max Power: 30mW 　　Cord length: 1.20m 　　Plug: 3.5mm Certificate:?CE/FCC/RoHS 　 Advantage:?Hi-End Sound quality