Mic can be used on left or right ear Professional new dual full ear headset with adjustable boom microphone for ICOM and Xiegu HF radios 703-706-7000..7100....G90. These sturdy lightweight headsets produce articulate yet full sounding transmit and receive audio without external audio accessories.....Plug and play.....Great sounding headsets .....No EQ needed..... Comfortable and lightweight... ... Excellent RFI characteristics.......Matching network provides max transmit gain .......Works off voltage from your radio..........Adjustable volume control....Additional connections for your other hf radios available .... ..... Units work on vox and come with a 3.5mm jack for Push To Talk use- ptt switch sold separate.... Priority shipping ... 14 DAY MONEY BACK GUARANTEE minus shipping if not satisfied.... designed to work on ICOM or XIEGU G90 -X6100 IC - 703-706-7000..7100..... New Improved Plugs