Beteran Astrotec AM-90Mic AM90 AM-90 Knowles Moving Iron Balanced Armature In-Ear Professional Hifi Stereo Music Earphones Headphones with Micphone For Mobile Phone iPhone 4 5 5S 6 6C Samsung HTC Blackberry (Silver)

The Astrotec AM-90 earphone is leading the International Moving Iron technology.
The frequency response of this earphone is stable, it can't be affect by the temperature and humidity change.
Low impedance ,easy to drive , suitable for a lot of music player.
Bring you more pure music space with good soundproofed effect.
The leak proof sound design is help for your hearing

Specification:

Driver: Knowles Single Balanced Armature Driver
Rated Impedance: 25 Ohm
Sensitivity : 109 dB/1mw
Cable: 1.2m +/- TPE cable
Plug: 3.5mm gold plated plug

Package List:
1 Astrotec AM-90 Earphones (Silver)
2 sets of black Silicon tips
1 pair of blue Foam tips
Shirt clip
Black carry case (It may be replaced by a portable bag in the another run)