Pyle Wireless Digital TV Audio Assisted Listening Device, Hearing Amplifier Headset, Noice Reducing, Voice Clarifying, 2.4GHz, Works with All TV's, Universal Size, Rechargeable Battery (PHPHA76) RECHARGEABLE BATTERY: This wireless hearing device features a built-in rechargeable battery allows you to charge the headset with the included docking station. NOISE REDUCTION: Make listening to the TV easier with these sound amplifier wireless headphones. Superior quality audio is made possible with the built-in 2.4GHz wireless noise-canceling and voice clarifying circuitry. ADVANCED TECHNOLOGY: The hearing device for tv by Pyle features ASC (Automatic Signal Control) technology that regulates sound waves for a smoother and more comfortable listening experience. UPGRADED FEATURES: The Pyle hearing assistance device includes additional features like a built-in microphone, audio (3.5mm) input connector, volume adjustment and includes a clip-on microphone extension cable with replacement earbuds. CONNECT TO ANY AUDIO SOURCE: The hearing amplifier headphones have the ability to connect to external devices like your telephone, TV, computer and more.