Two way radio VOX earpiece With in-line microphone /PTT / VOX switch.is hands free operation, So you can keep in touch with your teammates by continuous call or discrete way to speak and listen.
The also has the ability to turn the VOX off and operate the radio using the Push-to-Talk (PTT).
VARIETY OF USE: Excellent for use in security, hotel, restaurants, warehouse, supermarket, hiking, hunting, travel, moutains field and noisy environments.
EM-4022 is a Single-Wire surveillance earpiece for two way radios. The earpiece provides crisp audio with excellent intelligibility.provides discreet and efficient communication for business-class two-way radios,Most suited to hospitality, light sporting and recreational use etc.