Microphone sensitivity :-47dB±5dB,
frequency response :20Hz-20KHz,
speaker sensitivity :90dB±5dB,
impedance :16Ω±15%,
rated power :3mW,
speaker size :Φ10mm,
headphone plug :3.5 silver needle/internal and external shaping,
headphone wire length :1.2m,
headphone color: multicolor,
headphone characteristics: sliding Tuning,
earphone material: Plastic in-ear /TPE wire