Deep powerful Stereo sounds quality
Model:EP15 
Compatible with Apple iPhone 3G/iPhone 3GS/iPhone 4, iPod, iPad and
iPad2 and all of the devices with 3.5mm jack
High Quality sound (Recommand!!)

headband headphone stereo
Speaker:φ40mm
Sensitivity:104dB
Impedance:32Ω
Frequency response:20Hz-20,000Hz         
Cable:1.2m                
Plug:φ3.5mm          
MIC Frequency response:75-16,000Hz
Pick up pattren:Omni-Ddirectional           
Sensitivity:-42dB±2dB                    
Impedance:≤2.2k