42-140 | 3.5mm Plug, 4 conductor, Use with iPhone 3G & 3GS models Includes mic push button for controlling various features on the iPhone. Microphone: 3mm x 1.5mm -62db, +-3db Impedance: 32 ohms. 3 Ft Long.
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Calrad Electronics has been in the same family ownership for over 60 years. Many of our employees have been with the firm for 25 or more years. Many of our customers have been buying from Calrad for even longer than that. Our manufacturers and suppliers in Asia have known and trusted Calrad for generations. It all started in the 1950’s . . .