Flexible Ear Receiver (Receive Only)

Mag One earpiece with in-line microphone, push-to-talk and VOX switch. 

2-Wire Surveillance Kit with Clear Acoustic Earpiece (professional-mini)

D-Style Earpiece with Mic/PTT

In addition to having windporting technology, this remote speaker microphone also has a 3.5 mm audio jack to accept secondary receiver audio accessories for discrete communication.

The Windporting feature of this microphone helps lessen background noise from high winds and other severe weather conditions. Audio can pass through the speaker grill even when the microphone port is blocked by water. The Windporting Remote Speaker Microphones allow talking and listening without removing the radio from the belt or case.