For Iphone 5 New Design Wire Zipper Earphone                                         

Speaker Units:9mm
Sensitivity: **8DB±3dB 
Impedance:*6Ω 
Frequency response:*0~*0KHz 
Power:2mW
Maximum Power:*0mW
Cable: 1.2m
Plug:3.5mm
MIC Driver Units:4.0mm*1.5mm
MIC Sensitivity:**0DB
S/N: *8DB

Feature

1.High-performance dynamic speaker gives you Hi-Fi stereo sound

2. With or without Microphone. Volume control, too

3.Support imprint your logo on products and let your logo shine anywhere  

4. Various colors and designs for your selection.

5. High quality, deep bass sound and nice package, excellent for retail.

6. Noise Cancelling, good for listening RAP&POP music

7.Fashionable appearance, beautiful package and very suitable to be used as promotion gifts

8.Compatible with MP3/MP4, mobile phone, computer or other audio devices

Strict Quality control

1. With 6 people professional QC & QA Team;

2. Strict in-house QC processing;

3. Triple production test before production or delivery; 

4. Material inspection and environment friendly test;

5. Procedures/testing:IQC → IPQC → QA → OQC → QS.