2014 hottest selling colorful shoelace earphone with microphone
1, Frequency response: 20 Hz -20000 HZ
2, Speaker impedance :32Ω±15%
3, Driver unit: Φ10mm 
4, Rated power:3mw
5, Sensitivity:102-105dB
6, Microphone size :7.5*34mm                                                                                              
7, Plug:3.5mm stereo
8, length 1.2M
8, Wire:Φ1.8 mm, length 1.2 M