Features:
1.Type: In-ear  Universal Earphone.
2.Interface : 3.5mm diameter stereo plug
3.Frequency response:20-20000(Hz)
4.Sound principle:Dynamic
5.Earphones / mic with wire control
6.Compatible with:All 3.5mm plug MP3 MP4 player,pc notebook and CTIA mobile phones,Iphone,Samsung,HTC,XIAOMI,Huawei,etc