This sleek modular accessory converts your earphones into a mobile headset for iPhone 3G / iPhone 3G S, providing seamless switching between music and calls. Just plug the adapter into your phone and then plug your earphones into the adapter. The inline voice port microphone delivers your voice clearly regardless of background noise and the control button allows you to send and end calls.

Features:
Low-profile voice port microphone. Tuned to enhance intelligibility regardless of background noise, this professional-grade microphone uses voice port technology to provide superior sound quality and ensure that you hear conversations clearly even in noisy environments.
Control button that offers enhanced functionality and convenience by enabling you to easily send and end calls - without touching your phone.
Detachable, modular design provides greater flexibility by allowing you to remove the adapter when it isn't needed - such as at the gym or on a flight.
Rugged durability for long-lasting performance.
Sleek industrial design that reflects stylish look and feel in a portable package that's ideal for travel.
Convenient In-line shirt clip
Connector: 3.5mm male-to-female
Color: Black
Cable length: 21"