TA-M1 Base Station Desktop Microphone , Used for Two-way Radio, With PTT 

China Two Way Radio Microphone Manufacturer Truest provides 

Base Station Desktop Microphone, with Sensitivity Adjustment, 

PTT functions, easy operation.

TH-P1 Bluetooth Palm Microphone For Two Way Radio

Handy Talky Palm Microphone TA-SM-A-M4 With M-plug

Push To Talk Radio Dual Plug Palm Microphone

K-type Plug Palm Microphone TA-SM-A-K1 For Walkie Talkie

Tesunho 2 Way Radio Palm Microphone TA-SM-B-M4