Sony ECM-AW4 Bluetooth Wireless Microphone System

Key Features and Benefits: 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 What's Included: Sony ECM-AW4 Wind screen, carrying pouch, arm band, receiver unit, hanger, 2 earphones