Frequency response:22-20KHz Impedance:16ohms Impedance :110db Quality:AAA quality,215 earphone

Features:

1, innovative finger-tip contoured design to deliver precision placement in the ear-canal

2, full stereo sound together with powerful bass response without bloated

3,noise-isolating design

4,with a 1/8" headphone plug (3.5mm) including iPhone, iPad series and Android devices

Technical informations:

Frequency response:22-20KHz

Impedance:16ohms

Impedance :110db

In-Ear Stereo Headphones (Blue)