PRODUCT NAME:MP3 STEREO HEADPHONE                  
PRODUCT TYPE:DYNAMIC HEADPHONE                    
speaker diameter: ￠10MM  9U                         
Frequency: 20HZ-20000HZ                            
Product Impedance: 16Ω                                   
Sensitivity: 100±3dB                               
MICROPHONE:-42±3dB                                
PIN: ￠3.5mm, THREE-level pin                             
LENGTH:1.2M                                                 
  MATERIAL:PVC                                              
FUNCTION:Waterproof,Noise Cancelling,Microphone,LINE CONTROL ,SUPPORT MUSIC                                                   
USE FOR:SAMSUNG,IPHONE,NOKIA , MP3/MP4 AND OTHER SMART DEVICE                                  
WEARING TYPE:IN-EAR