· Alloy metal cover enables sculpted sound curve fashioned for discerning music enthusiasts.
· Light weight earphone, micro-sized for active lifestyles and relaxation
· Noise isolating technology
· in-Ear design with silicone cover
· Comes with spare silicone ear cover
· Microphone: 4.5*2.2mm-42db+/-2db
· Frequency Response: 20Hz to 20kHz
· Impedance: 16 ohms
· Sensivity: 105 dB /mw
· Input Plug: 3.5mm four pole plug
· TPE/PU/PVC rubber for earphone wire
· Compatibility: iphone , mobile phone etc.