Model: SR02
Speaker: 10mm
Audio plug: Ø3.5mm;  weight; 11g
Earphones cable:  TPE  round wire ;   1.2M
Impedance:  32Ω±20%                     
Sensitivity:  94db±1.5db
Frequency response: 20~20000Hz
Microphone:  controller with mic
Wire control: functional one-button operation control, 
adapted to control Apple and Android