headphone with Microphone Ear-hook style headphone with in-line microphone for online chat-Fashional design with in-line microphone -With ear-hook
genuine BlackBerry Stereo Headset Make phone calls or listen to audio files on your BlackBerry Curve.3.5mm headset jack.Conveniently located one-button co
iPhone handsfree earphones/headsets Impedance: 32 ohms Frequency response: 20Hz to 20kHz Sensitivity: 118 ± 3dB (at 1kHz) Maximum input power: 50mW Plug ty
