Features:
1) In-line with mic switch
2) External appearance: different color available
3) Fits either left or right ear
4) High sensitive condenser electric microphone
5) Compatible with various kinds of mobile phones

Specifications:
1) Driver diameter: 13mm
2) Frequency response: 20Hz - 20kHz
3) Impedence: 32Ω
4) Sensitivity: 105±5dB
5) Max. input power: 10mW

Inner packing: polybag or customize

Outer packing: carton