ECM-AW4 Wireless Microphone

Wide compatibility:
Compatible with almost every recording device such as video camera or recorder with a microphone input jack.

2-way communication:
Even when far away (up to 150 feet) from the camcorder, you can shoot while recording whole conversations with each other

Separate earphones:
Two separate earphones are provided for both the microphone and the receiver units

Long battery life:
Continuous operating time: approx. 3 hours, standby time:Microphone approx. 9 hours / Receiver approx. 3 hours