Perfect for individual use; enjoy crystal clear sound amplification to listen to the TV, worship services, and other audio sources without ambient sound distraction. The LCS110 is simple and easy to use, a great device for anyone Using one of three pre-selected FM Radio frequencies, the transmitter sends a signal to the receiver. The transmission can be amplified for a normal voice by using the supplied microphone or for the television, MP3, or any other sound source using the included 3.5 mm auxillary cable. Features Includes one Transmitter and one Receiver 2 Belt Clips 1 Clip-on Microphone 1 3.5 Standard Cable Jack 1 Loud and Clear Ergonomic Dual Earbud set 4 AA Rechargeable Batteries 2 USB Charging Cables 1 Dual Port Recharging Cube Recharging AC wall plug Three year Warranty Feature Details Brand Sonic Technology Products Mfg part # LCS110 UPC 024778100304 Color Grey / Silver Weight (lbs) 1.09 Battery operated? Yes (batteries required) Batteries included? Yes Battery details (4) AA NiMH Country of Manufacture China Technology FM / Digital Infrared Loop WiFi Yes No No No Tone Control No Balance Control No Microphone(s) Directional Omnidirectional No Yes Receiver w / mic? No T-Coil Receiver No Range (ft) 150 Rechargeable Yes Hours of Use 1