The Watson WEP-601Y4 is a combined adjustable headset with a swivel adjustable boom mic and lightweight earpiece. By adjusting the earpiece you can change from left to right ear for greater comfort. It has a substantial rubberised PTT in-line switch with trouser/shirt clip. If you are looking for something that is of superior quality yet still competitively price this is the model top go for. Has 2 pin connectors for single plug Yaesu