offer headset with earhook

Description:
1.Sensitivity at 1KHz : 110+/-3 dB;
2.Impedance : 32+/-15% Ohm;
3.Speaker dia : ￠15.4mm;
4.Mylar : 6?
5.Frequency response : 180-15000Hz;
6.Input power : Nom2mw,Max3mw;
7.Distortion : Less than 5% at 1KHz 2mw;
8.Weight : Approx 34+/-3 grams;
9.Connector : ￠3.5mm;
10.Cord length : 120cm;
11.Color:Black;
12.Vol controller.