Sony's ECM-AW4 is a complete battery-powered Bluetooth wireless microphone system. It plugs into virtually any kind of video camera, DSLR, or recording device that features a 3.5mm mini-jack microphone input. Transmitter has a built-in mic, or you can use a separately available external mic with 3.5mm output (Plugin Power supported). Receiver unit has a talk-back function that allows the camera operator to communicate clearly with the subject. Mic range of up to 150 ft. Belt clip and an arm band included.

• Enjoy crystal-clear reception with Bluetooth®
• Light and compact for easy carrying while out filming
• Simple attachment to any camcorder with a mic input minijack
• Stay in touch with your subject using the supplied earphones