High-quality headset compatible with Alinco DJ-100E, DJ-500E, DJ-A10, DJ-A11, DJ-A40, DJ-A41, DJ-A46, DJ-A446, DJ-MD-40, DJ-MD5, DJ-V-46, and DJ-VX-50 as well as DJ-VX-46. The headset can be used as a standard PTT headset or as a VOX headset. However, for VOX operation, the VOX function on the Alinco radio must be activated. The PTT button has a distinctly noticeable pressure point. The earpiece is comfortable to wear, and the rubber cover on the earpiece is replaceable.