Hot selling special Hand-Free Earphone with Mic  for samsung
1, Frequency response:20Hz-20kHz
2, Speaker impedance :32Ω±15%
3, Driver unit:Φ8mm             
4, Rated power:3mW
5, Sensitivity:96-99dB
6, Microphone size:6.5*29mm                                                                                        
7, Plug:3.5mm stereo
8, Wire:Φ1.8mm, length 1.2M
9   OEM, ODM are available.
10 CE, RoHS, FCC
11 Application: iPhone, Samsung, Blackberry, HTC, etc