handsfree earphone with Mic & manufacture price for smartphone  

specification :

Type:Stereo Headphone 
Speaker:Φ9mm Dynamic type 
Sensitivity:105dB +/-3dB(at1 Hz) 
Freqency Response:20Hz-20,000Hz 
Impedance:16Ω
Max Input Power:100mW 
Cable Length:1.2m 
Plug Type:Φ3.5mmStereo 
Dimensions:4*1.5mm 
Directwity:Omnidirectional 
Impedance:Low impedance 
Sensitwity:-42±3dB 
Rated woltage:3V

Feature:

1. Manufactuer with competitive price & high quality

2. With Microphone

3. Imprint customer's logo as request

4. Excellent sound performance 

5. Custom packing design service

6. Available colors: all colors available as customer requested.