Mic can be used on left or right ear  Professional  new  dual full ear headset with adjustable boom microphone for FT-847-920-950-1000MP-MKV-FIELD- 1200-2000-3000-5000-9000-FTDX 101 Yaesu hf radios only... .. .These sturdy lightweight headsets produce articulate yet full sounding transmit and receive audio without external  audio accessories.....Plug and play....No EQ needed ......Comfortable and lightweight .... .. Excellent RFI characteristics... ......Works off voltage from your radio....Matching network for maximum transmit gain....Adjustable volume control....Comes with 1 adapter for any of the listed radios...6 1/2 ft cords....  Additional connections for your other hf radios available ......All units work on vox and come with a 3.5mm jack for Push To Talk  use- ptt switch sold separate... MONEY BACK GUARANTEE  minus shipping if not satisfied.....  ..... THESE  MODELS ONLY!   FT-847-920-950-1000MP-MKV-FIELD-  FTDX 1200 -2000-3000-5000-9000- FTDX 101 
 New Improved Plugs Also RJ45 models   https://www.ebay.com/itm/180671645916