The P3R-G20 Wireless Bodypack Receiver from Shure is a slim and compact wireless receiver designed to be used with a Shure P3T transmitter, (sold separately), to comprise a PSR 300 personal monitoring system. It can be used in various environments for audio applications such as, live stage, theater, houses of worship, and more. It features 24-bit digital audio clarity and has a range of up to 300'. Find a wireless channel using the one-touch scan function to automatically select the cleanest frequency available. Adjust the volume and use the MixMode feature or stereo mode to create a personal mix from two channels of audio. Two standard AA batteries provide up to 6 hours of continuous use. The power save mode preserves battery life when an earphone is not connected. Two AA batteries and a zipper bag are included