Best In-Ear Headphones promotional metal earphone
UF06
 
Product Features:

• Strong bass generated from powerful driver
• High rated power and great sensitivity response
• Stylish color design with mic and volume controller
• Superior noise isolation
• Amazing bass response
• Use like headphones with other MP3 players (3.5mm headphone jack required)
• Comply with CE. 

Technical Data:
 
Cord length:1.2m
Frequency20-20kHz 
Sensitivity102±3dB/1mw 1kHz  
Impedance16Ω     
Rated input3mW  
Plug3.5mm