For iPhones of all models
Also suitable for iTouch (adds a mic!)
Features and Specifications

The iPhone Stereo Headset provide superior comfort, fit, and sound quality. The Stereo Headset also features a high performance microphone — fitted with a windscreen for added clarity — that is positioned inline on the cabling for the right earphone. The microphone capsule also serves as a Send/End button, for answering and ending the iPhone calls, and it even controls basic music playback.

Specification:
Driverunit: 14mm Speaker
Frequency Range: 20Hz-20000Hz
Microphone: 3.0 x 1.5mm/-62±3dB
Maximum Power: 5mw Plug: 3.5mm
Senstivitity: 116dB±3dB
Length: 1.2m