Icom HM235B Black Hand Speaker Microphone with Control Buttons for M330 The Icom HM235B is a black hand speaker microphone equipped with a PTT (Push-to-Talk) button and various control keys. Designed for the Icom M330 radio, it provides convenient access to essential functions directly from the microphone. Key Features Integrated Control Buttons: Features Up/Down, Hi/Lo, and a 16/C quick selection key for channel 16 and the programmed call channel. Speaker Mic Type: Combines a speaker and microphone into one handheld unit for clear audio. Compact Size: Measures 470 mm (18.5 in) when curled, and weighs 182 g (6.4 oz) for easy handling. Compatibility M330 M330G M330GE Benefits Convenient Control: Access essential radio functions directly from the microphone for quick adjustments. Clear Communication: Integrated speaker and microphone ensure reliable audio transmission and reception. Enhanced Operation: Quick selection keys streamline channel access. Warranty 1-year manufacturer's warranty