Check the listing for details. JDI 3610/20 Handheld Deluxe Series for 3-Function Kenwood. Condition: New. Listed at 7.99 USD. For Kenwood (with 3-function keys), this high quality electric condenser microphone gives your 2-way radio superb crystal clear audio. Designed in a streamlined & fashionable appearance, the built-in car phone jack let's you plug in an external earphone for private listening. The rubberized PTT thumb switch is perfect for heavy usage and the 8-position swivel lapel let's you position and secure the microphone to your shirt comfortably. The 8 foot durable cord retracts & stretches easily and will never tangle. Made of hi-impact plastic & water resistant, these units can be used rain or shine. Extra molding protects bend for durability & long lasting performance. SPEAKER UNIT: Speaker Diameter: 15mm; Output level: 72dB; Rated Input Power: 0.1W; Max. Input Power: 0.2 W; Output Impedance: 32 ohm. MICROPHONE UNIT: Type of Element: Non-directional electric condenser type; Sensitivity: -58dB; Output Impedance: 1k ohm.