Loud and Clear Wireless FM Listening System by SuperEar: Assistive Listening Device Basic Set for TV, Classrooms, Churches, Tour Guides. Includes: 1 Transmitter/1 Receivers Trusted SuperEar Brand Since 1981. Tested and Complies with FCC Standard. Hear the Audio Source Up To 150 Feet Away - Plug Transmitter into Television or Have Your Tour Guide Wear Transmitter witn Microphone While You Wear the Receiver to Hear Up to 150 Feet Away New Over the Ear Discreet, Comfortable Loud and Clear Earbuds Deliver Clear, Crisp Sound Easily Attach the Transmitter to the Television, or wear the Transmitter with Clip On Microphone and Adjust Receiver to Desired Amplification Volume 3 PreSet FM Frequencies for Selecting Best Reception. Additional Receivers May be Purchased and Added to the System for Multiple Listeners. Complete System Includes 1 Transmitter, 1 Receiver, 1 Recharging Cube, 2 USB Charging Cables, 4 AA Rechargeable Batteries, Earbuds, 2 Belt Clips, 1 Clip On Microphone, 1-3.5 Standard Cable Jack. Requires Audio Source with Standard 3.5 MM Jack our Audio Out. Not compatible with Digital Audio Output.