Sell sell earphone

sell earphone
1) Headphone w. mic
2) Mute button
3) Loudspeaker diameter:40mm
4) Impedance:32(Ohms)(more or less 10 percent)
5) Sensibility:110 dB
6) Microphone sensibility:-54db
7) Frequancy range:20-20000Hz1) Headphone w. mic
2) Mute button
3) Loudspeaker diameter:40mm
4) Impedance:32(Ohms)(more or less 10 percent)
5) Sensibility:110 dB
6) Microphone sensibility:-54db
7) Frequancy range:20-20000Hz1) Headphone w. mic
2) Mute button
3) Loudspeaker diameter:40mm
4) Impedance:32(Ohms)(more or less 10 percent)
5) Sensibility:110 dB
6) Microphone sensibility:-54db
7) Frequancy range:20-20000Hz