FirstSing FS09055 for iPhone 4G Earphone with Microphone and Volume control
* Great sound quality and bass response
* Hands-free headset for your iPhone 3GS 4G
* You can answer calls by pressing the button on the mic.
* You can adjust the volume by pressing the + -buttons on the mic
* Standard 3.5mm earphone plug fits all MP3 players with 3.5mm jack
* Stylish design to fit your iPhone 3GS 4G ,ipad